101321220303212 has 54 divisors (see below), whose sum is σ = 223347770356788. Its totient is φ = 40083120106848.

The previous prime is 101321220303137. The next prime is 101321220303229. The reversal of 101321220303212 is 212303022123101.

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 17 ways as a sum of consecutive naturals, for example, 1529389958 + ... + 1529456205.

It is an arithmetic number, because the mean of its divisors is an integer number (4136069821422).

Almost surely, 2^{101321220303212} is an apocalyptic number.

It is an amenable number.

101321220303212 is an abundant number, since it is smaller than the sum of its proper divisors (122026550053576).

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

101321220303212 is a wasteful number, since it uses less digits than its factorization.

101321220303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058846207 (or 3058846185 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 101321220303212 its reverse (212303022123101), we get a palindrome (313624242426313).

The spelling of 101321220303212 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twenty million, three hundred three thousand, two hundred twelve".