101232211220 has 48 divisors (see below), whose sum is σ = 242987864448. Its totient is φ = 34703821440.

The previous prime is 101232211217. The next prime is 101232211277. The reversal of 101232211220 is 22112232101.

It is a congruent number.

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, 1191350 + ... + 1273490.

It is an arithmetic number, because the mean of its divisors is an integer number (5062247176).

Almost surely, 2^101232211220 is an apocalyptic number.

101232211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101232211220 is an abundant number, since it is smaller than the sum of its proper divisors (141755653228).

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

101232211220 is a wasteful number, since it uses less digits than its factorization.

101232211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90960 (or 90958 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101232211220 its reverse (22112232101), we get a palindrome (123344443321).

The spelling of 101232211220 in words is "one hundred one billion, two hundred thirty-two million, two hundred eleven thousand, two hundred twenty".