210102020112102 has 16 divisors (see below), whose sum is σ = 429144551718912. Its totient is φ = 68543921454920.

The previous prime is 210102020112079. The next prime is 210102020112109. The reversal of 210102020112102 is 201211020201012.

It is a super-2 number, since 2×210102020112102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102020112109) 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, 372521311974 + ... + 372521312537.

It is an arithmetic number, because the mean of its divisors is an integer number (26821534482432).

Almost surely, 2^{210102020112102} is an apocalyptic number.

210102020112102 is an abundant number, since it is smaller than the sum of its proper divisors (219042531606810).

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

210102020112102 is a wasteful number, since it uses less digits than its factorization.

210102020112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745042624563.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210102020112102 its reverse (201211020201012), we get a palindrome (411313040313114).

The spelling of 210102020112102 in words is "two hundred ten trillion, one hundred two billion, twenty million, one hundred twelve thousand, one hundred two".