11122211202012 has 36 divisors (see below), whose sum is σ = 29594187703080. Its totient is φ = 3512277221472.

The previous prime is 11122211202007. The next prime is 11122211202017. The reversal of 11122211202012 is 21020211222111.

It is an interprime number because it is at equal distance from previous prime (11122211202007) and next prime (11122211202017).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11122211202012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122211202017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8130270663 + ... + 8130272030.

It is an arithmetic number, because the mean of its divisors is an integer number (822060769530).

Almost surely, 2^{11122211202012} is an apocalyptic number.

11122211202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122211202012 is an abundant number, since it is smaller than the sum of its proper divisors (18471976501068).

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

11122211202012 is a wasteful number, since it uses less digits than its factorization.

11122211202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260542722 (or 16260542717 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122211202012 its reverse (21020211222111), we get a palindrome (32142422424123).

The spelling of 11122211202012 in words is "eleven trillion, one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, twelve".