211210102210100 has 72 divisors (see below), whose sum is σ = 524275943025408. Its totient is φ = 72349239254400.

The previous prime is 211210102210061. The next prime is 211210102210139. The reversal of 211210102210100 is 1012201012112.

It is an interprime number because it is at equal distance from previous prime (211210102210061) and next prime (211210102210139).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136004291 + ... + 137548490.

Almost surely, 2^{211210102210100} is an apocalyptic number.

211210102210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211210102210100 is an abundant number, since it is smaller than the sum of its proper divisors (313065840815308).

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

211210102210100 is a wasteful number, since it uses less digits than its factorization.

211210102210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273553905 (or 273553898 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211210102210100 its reverse (1012201012112), we get a palindrome (212222303222212).

The spelling of 211210102210100 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, two hundred ten thousand, one hundred".