101223210120 has 64 divisors (see below), whose sum is σ = 304929757440. Its totient is φ = 26880844800.

The previous prime is 101223210091. The next prime is 101223210131. The reversal of 101223210120 is 21012322101.

It is a super-2 number, since 2×101223210120² (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 101223210120.

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 15 ways as a sum of consecutive naturals, for example, 1721136 + ... + 1778975.

It is an arithmetic number, because the mean of its divisors is an integer number (4764527460).

Almost surely, 2^101223210120 is an apocalyptic number.

101223210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223210120 is an abundant number, since it is smaller than the sum of its proper divisors (203706547320).

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

101223210120 is a wasteful number, since it uses less digits than its factorization.

101223210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500366 (or 3500362 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101223210120 its reverse (21012322101), we get a palindrome (122235532221).

The spelling of 101223210120 in words is "one hundred one billion, two hundred twenty-three million, two hundred ten thousand, one hundred twenty".