210100102111212 has 48 divisors (see below), whose sum is σ = 491575112797440. Its totient is φ = 69841754756928.

The previous prime is 210100102111189. The next prime is 210100102111243. The reversal of 210100102111212 is 212111201001012.

It is a happy number.

It is a super-2 number, since 2×210100102111212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210100102111191 and 210100102111200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44377833 + ... + 48883455.

It is an arithmetic number, because the mean of its divisors is an integer number (10241148183280).

Almost surely, 2^{210100102111212} is an apocalyptic number.

It is an amenable number.

210100102111212 is an abundant number, since it is smaller than the sum of its proper divisors (281475010686228).

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

210100102111212 is a wasteful number, since it uses less digits than its factorization.

210100102111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516262 (or 4516260 counting only the distinct ones).

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

Adding to 210100102111212 its reverse (212111201001012), we get a palindrome (422211303112224).

The spelling of 210100102111212 in words is "two hundred ten trillion, one hundred billion, one hundred two million, one hundred eleven thousand, two hundred twelve".