22212210101020 has 48 divisors (see below), whose sum is σ = 47511846109728. Its totient is φ = 8720516424960.

The previous prime is 22212210100979. The next prime is 22212210101021. The reversal of 22212210101020 is 2010101221222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22212210100985 and 22212210101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212210101021) 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, 18923547 + ... + 20063026.

It is an arithmetic number, because the mean of its divisors is an integer number (989830127286).

Almost surely, 2^{22212210101020} is an apocalyptic number.

22212210101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212210101020 is an abundant number, since it is smaller than the sum of its proper divisors (25299636008708).

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

22212210101020 is a wasteful number, since it uses less digits than its factorization.

22212210101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38987110 (or 38987108 counting only the distinct ones).

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

Adding to 22212210101020 its reverse (2010101221222), we get a palindrome (24222311322242).

The spelling of 22212210101020 in words is "twenty-two trillion, two hundred twelve billion, two hundred ten million, one hundred one thousand, twenty".