210020102031102 has 32 divisors (see below), whose sum is σ = 458242862958720. Its totient is φ = 63640068244320.

The previous prime is 210020102031067. The next prime is 210020102031109. The reversal of 210020102031102 is 201130201020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020102031109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57899428 + ... + 61419735.

It is an arithmetic number, because the mean of its divisors is an integer number (14320089467460).

Almost surely, 2^{210020102031102} is an apocalyptic number.

210020102031102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210020102031102 is an abundant number, since it is smaller than the sum of its proper divisors (248222760927618).

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

210020102031102 is a wasteful number, since it uses less digits than its factorization.

210020102031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119345848.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210020102031102 its reverse (201130201020012), we get a palindrome (411150303051114).

The spelling of 210020102031102 in words is "two hundred ten trillion, twenty billion, one hundred two million, thirty-one thousand, one hundred two".