22202121101020 has 24 divisors (see below), whose sum is σ = 53285090642784. Its totient is φ = 7612155806016.

The previous prime is 22202121100993. The next prime is 22202121101029. The reversal of 22202121101020 is 2010112120222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22202121100985 and 22202121101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202121101029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79293289507 + ... + 79293289786.

It is an arithmetic number, because the mean of its divisors is an integer number (2220212110116).

Almost surely, 2^{22202121101020} is an apocalyptic number.

22202121101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202121101020 is an abundant number, since it is smaller than the sum of its proper divisors (31082969541764).

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

22202121101020 is a wasteful number, since it uses less digits than its factorization.

22202121101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158586579309 (or 158586579307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22202121101020 its reverse (2010112120222), we get a palindrome (24212233221242).

The spelling of 22202121101020 in words is "twenty-two trillion, two hundred two billion, one hundred twenty-one million, one hundred one thousand, twenty".