22010110221020 has 24 divisors (see below), whose sum is σ = 46222148911344. Its totient is φ = 8803869336576.

The previous prime is 22010110221017. The next prime is 22010110221053. The reversal of 22010110221020 is 2012201101022.

It is a junction number, because it is equal to n+sod(n) for n = 22010110220986 and 22010110221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886802 + ... + 11906681.

It is an arithmetic number, because the mean of its divisors is an integer number (1925922871306).

Almost surely, 2^{22010110221020} is an apocalyptic number.

22010110221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010110221020 is an abundant number, since it is smaller than the sum of its proper divisors (24212038690324).

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

22010110221020 is a wasteful number, since it uses less digits than its factorization.

22010110221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843989 (or 21843987 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22010110221020 its reverse (2012201101022), we get a palindrome (24022311322042).

The spelling of 22010110221020 in words is "twenty-two trillion, ten billion, one hundred ten million, two hundred twenty-one thousand, twenty".