101321211210 has 32 divisors (see below), whose sum is σ = 243435576960. Its totient is φ = 26989581888.

The previous prime is 101321211169. The next prime is 101321211253. The reversal of 101321211210 is 12112123101.

It is a super-2 number, since 2×101321211210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101321211210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809957 + ... + 1865096.

It is an arithmetic number, because the mean of its divisors is an integer number (7607361780).

Almost surely, 2^101321211210 is an apocalyptic number.

101321211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101321211210 is an abundant number, since it is smaller than the sum of its proper divisors (142114365750).

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

101321211210 is a wasteful number, since it uses less digits than its factorization.

101321211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675982.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101321211210 its reverse (12112123101), we get a palindrome (113433334311).

The spelling of 101321211210 in words is "one hundred one billion, three hundred twenty-one million, two hundred eleven thousand, two hundred ten".