11122020001200 has 120 divisors (see below), whose sum is σ = 35653491365328. Its totient is φ = 2963711421440.

The previous prime is 11122020001177. The next prime is 11122020001223. The reversal of 11122020001200 is 210002022111.

It is an interprime number because it is at equal distance from previous prime (11122020001177) and next prime (11122020001223).

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-5 number, since 5×11122020001200⁵ (a number of 66 digits) contains 55555 as substring.

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

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, 1727619 + ... + 5022818.

Almost surely, 2^{11122020001200} is an apocalyptic number.

11122020001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122020001200 is an abundant number, since it is smaller than the sum of its proper divisors (24531471364128).

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

11122020001200 is a wasteful number, since it uses less digits than its factorization.

11122020001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751831 (or 6751820 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11122020001200 its reverse (210002022111), we get a palindrome (11332022023311).

The spelling of 11122020001200 in words is "eleven trillion, one hundred twenty-two billion, twenty million, one thousand, two hundred".