22101022020012 has 48 divisors (see below), whose sum is σ = 55617934102752. Its totient is φ = 6790269657600.

The previous prime is 22101022019971. The next prime is 22101022020019. The reversal of 22101022020012 is 21002022010122.

It is a junction number, because it is equal to n+sod(n) for n = 22101022019973 and 22101022020000.

It is not an unprimeable number, because it can be changed into a prime (22101022020019) 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 15 ways as a sum of consecutive naturals, for example, 104527489 + ... + 104738712.

It is an arithmetic number, because the mean of its divisors is an integer number (1158706960474).

Almost surely, 2^{22101022020012} is an apocalyptic number.

It is an amenable number.

22101022020012 is an abundant number, since it is smaller than the sum of its proper divisors (33516912082740).

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

22101022020012 is a wasteful number, since it uses less digits than its factorization.

22101022020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209266898 (or 209266896 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22101022020012 its reverse (21002022010122), we get a palindrome (43103044030134).

The spelling of 22101022020012 in words is "twenty-two trillion, one hundred one billion, twenty-two million, twenty thousand, twelve".