210102000022100 has 18 divisors (see below), whose sum is σ = 455921340048174. Its totient is φ = 84040800008800.

The previous prime is 210102000022081. The next prime is 210102000022157. The reversal of 210102000022100 is 1220000201012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 45163614870544 + 164938385151556 = 6720388^2 + 12842834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050510000011 + ... + 1050510000210.

Almost surely, 2^{210102000022100} is an apocalyptic number.

210102000022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102000022100 is an abundant number, since it is smaller than the sum of its proper divisors (245819340026074).

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

210102000022100 is a wasteful number, since it uses less digits than its factorization.

210102000022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101020000235 (or 2101020000228 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210102000022100 its reverse (1220000201012), we get a palindrome (211322000223112).

The spelling of 210102000022100 in words is "two hundred ten trillion, one hundred two billion, twenty-two thousand, one hundred".