10102111112121 has 8 divisors (see below), whose sum is σ = 15393693123264. Its totient is φ = 5772634921200.

The previous prime is 10102111112087. The next prime is 10102111112143. The reversal of 10102111112121 is 12121111120101.

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

It is not a de Polignac number, because 10102111112121 - 2⁷ = 10102111111993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10102111112121.

It is not an unprimeable number, because it can be changed into a prime (10102111112521) 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, 240526455030 + ... + 240526455071.

It is an arithmetic number, because the mean of its divisors is an integer number (1924211640408).

Almost surely, 2^{10102111112121} is an apocalyptic number.

It is an amenable number.

10102111112121 is a deficient number, since it is larger than the sum of its proper divisors (5291582011143).

10102111112121 is an equidigital number, since it uses as much as digits as its factorization.

10102111112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481052910111.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10102111112121 its reverse (12121111120101), we get a palindrome (22223222232222).

The spelling of 10102111112121 in words is "ten trillion, one hundred two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-one".