101221012001222 has 16 divisors (see below), whose sum is σ = 151864293610512. Its totient is φ = 50599581392640.

The previous prime is 101221012001173. The next prime is 101221012001237. The reversal of 101221012001222 is 222100210122101.

It is a self number, because there is not a number n which added to its sum of digits gives 101221012001222.

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, 396082478 + ... + 396337950.

It is an arithmetic number, because the mean of its divisors is an integer number (9491518350657).

Almost surely, 2^{101221012001222} is an apocalyptic number.

101221012001222 is a deficient number, since it is larger than the sum of its proper divisors (50643281609290).

101221012001222 is a wasteful number, since it uses less digits than its factorization.

101221012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297463.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101221012001222 its reverse (222100210122101), we get a palindrome (323321222123323).

The spelling of 101221012001222 in words is "one hundred one trillion, two hundred twenty-one billion, twelve million, one thousand, two hundred twenty-two".