210102011121 has 32 divisors (see below), whose sum is σ = 289047018240. Its totient is φ = 135648608256.

The previous prime is 210102011111. The next prime is 210102011137. The reversal of 210102011121 is 121110201012.

It is not a de Polignac number, because 210102011121 - 2⁵ = 210102011089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210102011097 and 210102011106.

It is not an unprimeable number, because it can be changed into a prime (210102011101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59534085 + ... + 59537613.

It is an arithmetic number, because the mean of its divisors is an integer number (9032719320).

Almost surely, 2^210102011121 is an apocalyptic number.

It is an amenable number.

210102011121 is a deficient number, since it is larger than the sum of its proper divisors (78945007119).

210102011121 is a wasteful number, since it uses less digits than its factorization.

210102011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

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

Adding to 210102011121 its reverse (121110201012), we get a palindrome (331212212133).

The spelling of 210102011121 in words is "two hundred ten billion, one hundred two million, eleven thousand, one hundred twenty-one".