22102131101020 has 48 divisors (see below), whose sum is σ = 47307957607008. Its totient is φ = 8672278487040.

The previous prime is 22102131101003. The next prime is 22102131101021. The reversal of 22102131101020 is 2010113120122.

It is a junction number, because it is equal to n+sod(n) for n = 22102131100985 and 22102131101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102131101021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50191626 + ... + 50630065.

It is an arithmetic number, because the mean of its divisors is an integer number (985582450146).

Almost surely, 2^{22102131101020} is an apocalyptic number.

22102131101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102131101020 is an abundant number, since it is smaller than the sum of its proper divisors (25205826505988).

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

22102131101020 is a wasteful number, since it uses less digits than its factorization.

22102131101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100821910 (or 100821908 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22102131101020 its reverse (2010113120122), we get a palindrome (24112244221142).

The spelling of 22102131101020 in words is "twenty-two trillion, one hundred two billion, one hundred thirty-one million, one hundred one thousand, twenty".