101011211210 has 96 divisors (see below), whose sum is σ = 228288488400. Its totient is φ = 31896281088.

The previous prime is 101011211209. The next prime is 101011211243. The reversal of 101011211210 is 12112110101.

It can be written as a sum of positive squares in 8 ways, for example, as 30378049849 + 70633161361 = 174293^2 + 265769^2 .

It is a super-2 number, since 2×101011211210² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101011211191 and 101011211200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2842472 + ... + 2877788.

Almost surely, 2^101011211210 is an apocalyptic number.

101011211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101011211210 is an abundant number, since it is smaller than the sum of its proper divisors (127277277190).

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

101011211210 is a wasteful number, since it uses less digits than its factorization.

101011211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35800 (or 35793 counting only the distinct ones).

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

Adding to 101011211210 its reverse (12112110101), we get a palindrome (113123321311).

The spelling of 101011211210 in words is "one hundred one billion, eleven million, two hundred eleven thousand, two hundred ten".