210120111102102 has 32 divisors (see below), whose sum is σ = 420331014355200. Its totient is φ = 70024906673568.

The previous prime is 210120111102091. The next prime is 210120111102221. The reversal of 210120111102102 is 201201111021012.

It is a happy number.

210120111102102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210120111102102² (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 15 ways as a sum of consecutive naturals, for example, 528595608 + ... + 528992964.

It is an arithmetic number, because the mean of its divisors is an integer number (13135344198600).

Almost surely, 2^{210120111102102} is an apocalyptic number.

210120111102102 is an abundant number, since it is smaller than the sum of its proper divisors (210210903253098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210120111102102 is a wasteful number, since it uses less digits than its factorization.

210120111102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416180.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210120111102102 its reverse (201201111021012), we get a palindrome (411321222123114).

The spelling of 210120111102102 in words is "two hundred ten trillion, one hundred twenty billion, one hundred eleven million, one hundred two thousand, one hundred two".