101221010312 has 32 divisors (see below), whose sum is σ = 194395481280. Its totient is φ = 49384547520.

The previous prime is 101221010291. The next prime is 101221010333. The reversal of 101221010312 is 213010122101.

It is an interprime number because it is at equal distance from previous prime (101221010291) and next prime (101221010333).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203237 + ... + 493707.

It is an arithmetic number, because the mean of its divisors is an integer number (6074858790).

Almost surely, 2^101221010312 is an apocalyptic number.

It is an amenable number.

101221010312 is a deficient number, since it is larger than the sum of its proper divisors (93174470968).

101221010312 is a wasteful number, since it uses less digits than its factorization.

101221010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291533 (or 291529 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101221010312 its reverse (213010122101), we get a palindrome (314231132413).

The spelling of 101221010312 in words is "one hundred one billion, two hundred twenty-one million, ten thousand, three hundred twelve".