101210111210 has 16 divisors (see below), whose sum is σ = 196191908136. Its totient is φ = 37369887168.

The previous prime is 101210111203. The next prime is 101210111227. The reversal of 101210111210 is 12111012101.

It can be written as a sum of positive squares in 4 ways, for example, as 33270124801 + 67939986409 = 182401^2 + 260653^2 .

It is a super-2 number, since 2×101210111210² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101210111191 and 101210111200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389269529 + ... + 389269788.

Almost surely, 2^101210111210 is an apocalyptic number.

101210111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210111210 is a deficient number, since it is larger than the sum of its proper divisors (94981796926).

101210111210 is a wasteful number, since it uses less digits than its factorization.

101210111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778539337.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101210111210 its reverse (12111012101), we get a palindrome (113321123311).

The spelling of 101210111210 in words is "one hundred one billion, two hundred ten million, one hundred eleven thousand, two hundred ten".