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121021120011002 = 21926041712229487
BaseRepresentation
bin11011100001000101101100…
…110111100101101011111010
3120212111111122221020011221012
4123201011230313211223322
5111330302223210323002
61105220200210313522
734330326113106251
oct3341055467455372
9525444587204835
10121021120011002
1135619850260a52
12116a68542888a2
13526b320139233
1421c564c429798
15ded085122d52
hex6e116cde5afa

121021120011002 has 16 divisors (see below), whose sum is σ = 191086728359040. Its totient is φ = 57325568871168.

The previous prime is 121021120010929. The next prime is 121021120011049. The reversal of 121021120011002 is 200110021120121.

It is a super-2 number, since 2×1210211200110022 (a number of 29 digits) contains 22 as substring.

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, 3781103 + ... + 16010589.

It is an arithmetic number, because the mean of its divisors is an integer number (11942920522440).

Almost surely, 2121021120011002 is an apocalyptic number.

121021120011002 is a deficient number, since it is larger than the sum of its proper divisors (70065608348038).

121021120011002 is a wasteful number, since it uses less digits than its factorization.

121021120011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12489925.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121021120011002 its reverse (200110021120121), we get a palindrome (321131141131123).

The spelling of 121021120011002 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twenty million, eleven thousand, two".

Divisors: 1 2 19 38 260417 520834 4947923 9895846 12229487 24458974 232360253 464720506 3184766316079 6369532632158 60510560005501 121021120011002