102010200010121 has 8 divisors (see below), whose sum is σ = 110173729654464. Its totient is φ = 93891897677520.

The previous prime is 102010200010109. The next prime is 102010200010123. The reversal of 102010200010121 is 121010002010201.

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

It is a cyclic number.

It is not a de Polignac number, because 102010200010121 - 2⁴² = 97612153499017 is a prime.

It is a super-2 number, since 2×102010200010121² (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 (102010200010123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11306823245 + ... + 11306832266.

It is an arithmetic number, because the mean of its divisors is an integer number (13771716206808).

Almost surely, 2^{102010200010121} is an apocalyptic number.

It is an amenable number.

102010200010121 is a deficient number, since it is larger than the sum of its proper divisors (8163529644343).

102010200010121 is a wasteful number, since it uses less digits than its factorization.

102010200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22613655871.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102010200010121 its reverse (121010002010201), we get a palindrome (223020202020322).

The spelling of 102010200010121 in words is "one hundred two trillion, ten billion, two hundred million, ten thousand, one hundred twenty-one".