101323101220 has 48 divisors (see below), whose sum is σ = 233004739968. Its totient is φ = 36704648960.

The previous prime is 101323101203. The next prime is 101323101251. The reversal of 101323101220 is 22101323101.

It is a junction number, because it is equal to n+sod(n) for n = 101323101194 and 101323101203.

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, 817729 + ... + 933448.

It is an arithmetic number, because the mean of its divisors is an integer number (4854265416).

Almost surely, 2^101323101220 is an apocalyptic number.

101323101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101323101220 is an abundant number, since it is smaller than the sum of its proper divisors (131681638748).

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

101323101220 is a wasteful number, since it uses less digits than its factorization.

101323101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751460 (or 1751458 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101323101220 its reverse (22101323101), we get a palindrome (123424424321).

The spelling of 101323101220 in words is "one hundred one billion, three hundred twenty-three million, one hundred one thousand, two hundred twenty".