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120021011122201 = 72311031344157073
BaseRepresentation
bin11011010010100010010001…
…101110111100100000011001
3120201221220012121220122002121
4123102202101232330200121
5111212411012321402301
61103132520310101241
734165142353604200
oct3322422156744031
9521856177818077
10120021011122201
1135273696923312
1211564a6194a821
1351c7c18437067
14218d09575a237
15dd204e04d3a1
hex6d2891bbc819

120021011122201 has 48 divisors (see below), whose sum is σ = 145532629152768. Its totient is φ = 98580967833600.

The previous prime is 120021011122169. The next prime is 120021011122211. The reversal of 120021011122201 is 102221110120021.

It is not a de Polignac number, because 120021011122201 - 25 = 120021011122169 is a prime.

It is a super-2 number, since 2×1200210111222012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021011122211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2102910001 + ... + 2102967073.

It is an arithmetic number, because the mean of its divisors is an integer number (3031929774016).

Almost surely, 2120021011122201 is an apocalyptic number.

It is an amenable number.

120021011122201 is a deficient number, since it is larger than the sum of its proper divisors (25511618030567).

120021011122201 is a wasteful number, since it uses less digits than its factorization.

120021011122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70662 (or 70655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120021011122201 its reverse (102221110120021), we get a palindrome (222242121242222).

The spelling of 120021011122201 in words is "one hundred twenty trillion, twenty-one billion, eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 7 31 49 103 217 721 1519 3193 5047 13441 22351 57073 94087 156457 399511 416671 658609 1384423 1769263 2796577 2916697 5878519 9690961 12384841 20416879 41149633 42917113 67836727 86693887 182234089 288047431 300419791 767118193 1275638623 2102938537 5369827351 8929470361 23780663983 37588791457 79013173879 166464647881 553092217153 1165252535167 2449408390249 3871645520071 17145858731743 120021011122201