101222022020 has 24 divisors (see below), whose sum is σ = 242932853184. Its totient is φ = 34704693216.

The previous prime is 101222021983. The next prime is 101222022029. The reversal of 101222022020 is 20220222101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 101222021986 and 101222022004.

It is not an unprimeable number, because it can be changed into a prime (101222022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361507082 + ... + 361507361.

It is an arithmetic number, because the mean of its divisors is an integer number (10122202216).

Almost surely, 2^101222022020 is an apocalyptic number.

101222022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222022020 is an abundant number, since it is smaller than the sum of its proper divisors (141710831164).

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

101222022020 is a wasteful number, since it uses less digits than its factorization.

101222022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723014459 (or 723014457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 101222022020 its reverse (20220222101), we get a palindrome (121442244121).

The spelling of 101222022020 in words is "one hundred one billion, two hundred twenty-two million, twenty-two thousand, twenty".