11111002210020 has 24 divisors (see below), whose sum is σ = 31110806188224. Its totient is φ = 2962933922656.

The previous prime is 11111002210003. The next prime is 11111002210031. The reversal of 11111002210020 is 2001220011111.

It is a super-2 number, since 2×11111002210020² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11111002209978 and 11111002210005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92591685024 + ... + 92591685143.

It is an arithmetic number, because the mean of its divisors is an integer number (1296283591176).

Almost surely, 2^{11111002210020} is an apocalyptic number.

11111002210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111002210020 is an abundant number, since it is smaller than the sum of its proper divisors (19999803978204).

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

11111002210020 is a wasteful number, since it uses less digits than its factorization.

11111002210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185183370179 (or 185183370177 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111002210020 its reverse (2001220011111), we get a palindrome (13112222221131).

The spelling of 11111002210020 in words is "eleven trillion, one hundred eleven billion, two million, two hundred ten thousand, twenty".