101211121202022 has 24 divisors (see below), whose sum is σ = 236159282805264. Its totient is φ = 31141883446704.

The previous prime is 101211121202021. The next prime is 101211121202027. The reversal of 101211121202022 is 220202121112101.

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 = 101211121201986 and 101211121202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211121202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216263079258 + ... + 216263079725.

It is an arithmetic number, because the mean of its divisors is an integer number (9839970116886).

Almost surely, 2^{101211121202022} is an apocalyptic number.

101211121202022 is an abundant number, since it is smaller than the sum of its proper divisors (134948161603242).

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

101211121202022 is a wasteful number, since it uses less digits than its factorization.

101211121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432526159004 (or 432526159001 counting only the distinct ones).

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

Adding to 101211121202022 its reverse (220202121112101), we get a palindrome (321413242314123).

The spelling of 101211121202022 in words is "one hundred one trillion, two hundred eleven billion, one hundred twenty-one million, two hundred two thousand, twenty-two".