101221112100002 has 16 divisors (see below), whose sum is σ = 160851713105952. Its totient is φ = 47607162189120.

The previous prime is 101221112099981. The next prime is 101221112100137. The reversal of 101221112100002 is 200001211122101.

It is a super-2 number, since 2×101221112100002² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101221112100002.

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, 821885288 + ... + 822008435.

It is an arithmetic number, because the mean of its divisors is an integer number (10053232069122).

Almost surely, 2^{101221112100002} is an apocalyptic number.

101221112100002 is a deficient number, since it is larger than the sum of its proper divisors (59630601005950).

101221112100002 is a wasteful number, since it uses less digits than its factorization.

101221112100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643895553.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101221112100002 its reverse (200001211122101), we get a palindrome (301222323222103).

The spelling of 101221112100002 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twelve million, one hundred thousand, two".