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121021202220022 = 2134654661623847
BaseRepresentation
bin11011100001000101110001…
…110001001100001111110110
3120212111111212122220211111201
4123201011301301030033312
5111330302410232020042
61105220212304323114
734330331131632556
oct3341056161141766
9525444778824451
10121021202220022
1135619892700895
12116a687791349a
13526b334190c20
1421c5659309166
15ded08c4611b7
hex6e1171c4c3f6

121021202220022 has 8 divisors (see below), whose sum is σ = 195495788201616. Its totient is φ = 55855939486152.

The previous prime is 121021202219989. The next prime is 121021202220071. The reversal of 121021202220022 is 220022202120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1210212022200222 (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 2327330811898 + ... + 2327330811949.

It is an arithmetic number, because the mean of its divisors is an integer number (24436973525202).

Almost surely, 2121021202220022 is an apocalyptic number.

121021202220022 is a deficient number, since it is larger than the sum of its proper divisors (74474585981594).

121021202220022 is a wasteful number, since it uses less digits than its factorization.

121021202220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654661623862.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121021202220022 its reverse (220022202120121), we get a palindrome (341043404340143).

Subtracting 121021202220022 from its reverse (220022202120121), we obtain a palindrome (99000999900099).

The spelling of 121021202220022 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred two million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 13 26 4654661623847 9309323247694 60510601110011 121021202220022