101221120011122 has 16 divisors (see below), whose sum is σ = 161001830467512. Its totient is φ = 47562690416640.

The previous prime is 101221120011107. The next prime is 101221120011131. The reversal of 101221120011122 is 221110021122101.

It can be written as a sum of positive squares in 4 ways, for example, as 100107248740321 + 1113871270801 = 10005361^2 + 1055401^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101221120011122.

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, 2211783779 + ... + 2211829542.

Almost surely, 2^{101221120011122} is an apocalyptic number.

101221120011122 is a deficient number, since it is larger than the sum of its proper divisors (59780710456390).

101221120011122 is a wasteful number, since it uses less digits than its factorization.

101221120011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423614013.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101221120011122 its reverse (221110021122101), we get a palindrome (322331141133223).

The spelling of 101221120011122 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty million, eleven thousand, one hundred twenty-two".