11222002000020 has 72 divisors (see below), whose sum is σ = 36551663666784. Its totient is φ = 2565029027904.

The previous prime is 11222001999997. The next prime is 11222002000049. The reversal of 11222002000020 is 2000020022211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1908500802 + ... + 1908506681.

It is an arithmetic number, because the mean of its divisors is an integer number (507661995372).

Almost surely, 2^{11222002000020} is an apocalyptic number.

11222002000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222002000020 is an abundant number, since it is smaller than the sum of its proper divisors (25329661666764).

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

11222002000020 is a wasteful number, since it uses less digits than its factorization.

11222002000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817007509 (or 3817007500 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11222002000020 its reverse (2000020022211), we get a palindrome (13222022022231).

The spelling of 11222002000020 in words is "eleven trillion, two hundred twenty-two billion, two million, twenty", and thus it is an aban number.