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121021101102 = 23111833653047
BaseRepresentation
bin111000010110101101…
…0110111010000101110
3102120101011112220212210
41300231122313100232
53440322400213402
6131332450111250
711513005246356
oct1605532672056
9376334486783
10121021101102
1147363290530
121b55587b526
13b548901bc5
145c00bc7b66
15323495406c
hex1c2d6b742e

121021101102 has 16 divisors (see below), whose sum is σ = 264046038912. Its totient is φ = 36673060920.

The previous prime is 121021101067. The next prime is 121021101133. The reversal of 121021101102 is 201101120121.

It is a super-2 number, since 2×1210211011022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916826458 + ... + 916826589.

It is an arithmetic number, because the mean of its divisors is an integer number (16502877432).

Almost surely, 2121021101102 is an apocalyptic number.

121021101102 is an abundant number, since it is smaller than the sum of its proper divisors (143024937810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021101102 is a wasteful number, since it uses less digits than its factorization.

121021101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833653063.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121021101102 its reverse (201101120121), we get a palindrome (322122221223).

The spelling of 121021101102 in words is "one hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 1833653047 3667306094 5500959141 11001918282 20170183517 40340367034 60510550551 121021101102