101211122201022 has 96 divisors (see below), whose sum is σ = 222255177371136. Its totient is φ = 33283581912000.

The previous prime is 101211122201017. The next prime is 101211122201029. The reversal of 101211122201022 is 220102221112101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101211122200986 and 101211122201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211122201029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576932773 + ... + 577108175.

It is an arithmetic number, because the mean of its divisors is an integer number (2315158097616).

Almost surely, 2^{101211122201022} is an apocalyptic number.

101211122201022 is an abundant number, since it is smaller than the sum of its proper divisors (121044055170114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101211122201022 is a wasteful number, since it uses less digits than its factorization.

101211122201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176646 (or 176643 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101211122201022 its reverse (220102221112101), we get a palindrome (321313343313123).

The spelling of 101211122201022 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, twenty-two".