101211001222 has 16 divisors (see below), whose sum is σ = 158439304800. Its totient is φ = 48398513152.

The previous prime is 101211001211. The next prime is 101211001237. The reversal of 101211001222 is 222100112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188358 + ... + 487750.

It is an arithmetic number, because the mean of its divisors is an integer number (9902456550).

Almost surely, 2^101211001222 is an apocalyptic number.

101211001222 is a deficient number, since it is larger than the sum of its proper divisors (57228303578).

101211001222 is a wasteful number, since it uses less digits than its factorization.

101211001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306767.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101211001222 its reverse (222100112101), we get a palindrome (323311113323).

The spelling of 101211001222 in words is "one hundred one billion, two hundred eleven million, one thousand, two hundred twenty-two".