210102111022212 has 144 divisors (see below), whose sum is σ = 551775167693568. Its totient is φ = 67371802617600.

The previous prime is 210102111022207. The next prime is 210102111022253. The reversal of 210102111022212 is 212220111201012.

210102111022212 is a `hidden beast` number, since 210 + 1 + 0 + 211 + 10 + 22 + 212 = 666.

210102111022212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14556393 + ... + 25141455.

It is an arithmetic number, because the mean of its divisors is an integer number (3831771997872).

Almost surely, 2^{210102111022212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210102111022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275887583846784).

210102111022212 is an abundant number, since it is smaller than the sum of its proper divisors (341673056671356).

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

210102111022212 is a wasteful number, since it uses less digits than its factorization.

210102111022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585330 (or 10585325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210102111022212 its reverse (212220111201012), we get a palindrome (422322222223224).

The spelling of 210102111022212 in words is "two hundred ten trillion, one hundred two billion, one hundred eleven million, twenty-two thousand, two hundred twelve".