11222100123020 has 48 divisors (see below), whose sum is σ = 24807048238560. Its totient is φ = 4252533778944.

The previous prime is 11222100122983. The next prime is 11222100123049. The reversal of 11222100123020 is 2032100122211.

It is a self number, because there is not a number n which added to its sum of digits gives 11222100123020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48942482 + ... + 49171238.

It is an arithmetic number, because the mean of its divisors is an integer number (516813504970).

Almost surely, 2^{11222100123020} is an apocalyptic number.

11222100123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222100123020 is an abundant number, since it is smaller than the sum of its proper divisors (13584948115540).

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

11222100123020 is a wasteful number, since it uses less digits than its factorization.

11222100123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357882 (or 357880 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11222100123020 its reverse (2032100122211), we get a palindrome (13254200245231).

The spelling of 11222100123020 in words is "eleven trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-three thousand, twenty".