11200122121020 has 144 divisors (see below), whose sum is σ = 36619180039680. Its totient is φ = 2505559026816.

The previous prime is 11200122121007. The next prime is 11200122121033. The reversal of 11200122121020 is 2012122100211.

It is an interprime number because it is at equal distance from previous prime (11200122121007) and next prime (11200122121033).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5108200 + ... + 6963759.

Almost surely, 2^{11200122121020} is an apocalyptic number.

11200122121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200122121020 is an abundant number, since it is smaller than the sum of its proper divisors (25419057918660).

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

11200122121020 is a wasteful number, since it uses less digits than its factorization.

11200122121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072072 (or 12072023 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200122121020 its reverse (2012122100211), we get a palindrome (13212244221231).

The spelling of 11200122121020 in words is "eleven trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".