101220221120022 has 24 divisors (see below), whose sum is σ = 219310666113240. Its totient is φ = 33740044934400.

The previous prime is 101220221119981. The next prime is 101220221120027. The reversal of 101220221120022 is 220021122022101.

It is a happy number.

101220221120022 is a `hidden beast` number, since 1 + 0 + 1 + 220 + 221 + 1 + 200 + 22 = 666.

101220221120022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101220221120022² (a number of 29 digits) contains 22 as substring.

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 = 101220221119977 and 101220221120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220221120027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35403897 + ... + 38155947.

It is an arithmetic number, because the mean of its divisors is an integer number (9137944421385).

Almost surely, 2^{101220221120022} is an apocalyptic number.

101220221120022 is an abundant number, since it is smaller than the sum of its proper divisors (118090444993218).

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

101220221120022 is a wasteful number, since it uses less digits than its factorization.

101220221120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795388 (or 4795385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101220221120022 its reverse (220021122022101), we get a palindrome (321241343142123).

The spelling of 101220221120022 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".