101102020210 has 8 divisors (see below), whose sum is σ = 181983636396. Its totient is φ = 40440808080.

The previous prime is 101102020181. The next prime is 101102020249. The reversal of 101102020210 is 12020201101.

It can be written as a sum of positive squares in 2 ways, for example, as 99679749841 + 1422270369 = 315721^2 + 37713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10110202021 = 101102020210 / (1 + 0 + 1 + 1 + 0 + 2 + 0 + 2 + 0 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055101001 + ... + 5055101020.

Almost surely, 2^101102020210 is an apocalyptic number.

101102020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101102020210 is a deficient number, since it is larger than the sum of its proper divisors (80881616186).

101102020210 is a wasteful number, since it uses less digits than its factorization.

101102020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110202028.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101102020210 its reverse (12020201101), we get a palindrome (113122221311).

The spelling of 101102020210 in words is "one hundred one billion, one hundred two million, twenty thousand, two hundred ten".