101211010210 has 16 divisors (see below), whose sum is σ = 183983580792. Its totient is φ = 40083568000.

The previous prime is 101211010139. The next prime is 101211010247. The reversal of 101211010210 is 12010112101.

It can be written as a sum of positive squares in 4 ways, for example, as 97957106361 + 3253903849 = 312981^2 + 57043^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50103451 + ... + 50105470.

Almost surely, 2^101211010210 is an apocalyptic number.

101211010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211010210 is a deficient number, since it is larger than the sum of its proper divisors (82772570582).

101211010210 is a wasteful number, since it uses less digits than its factorization.

101211010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100209029.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101211010210 its reverse (12010112101), we get a palindrome (113221122311).

The spelling of 101211010210 in words is "one hundred one billion, two hundred eleven million, ten thousand, two hundred ten".