22210101222020 has 72 divisors (see below), whose sum is σ = 48673734677568. Its totient is φ = 8512214838400.

The previous prime is 22210101222017. The next prime is 22210101222031. The reversal of 22210101222020 is 2022210101222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22210101222020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2836496 + ... + 7243335.

It is an arithmetic number, because the mean of its divisors is an integer number (676024092744).

Almost surely, 2^{22210101222020} is an apocalyptic number.

22210101222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210101222020 is an abundant number, since it is smaller than the sum of its proper divisors (26463633455548).

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

22210101222020 is a wasteful number, since it uses less digits than its factorization.

22210101222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080029 (or 10079998 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22210101222020 its reverse (2022210101222), we get a palindrome (24232311323242).

The spelling of 22210101222020 in words is "twenty-two trillion, two hundred ten billion, one hundred one million, two hundred twenty-two thousand, twenty".