11101211202012 has 48 divisors (see below), whose sum is σ = 26342406316800. Its totient is φ = 3637609181440.

The previous prime is 11101211202001. The next prime is 11101211202041. The reversal of 11101211202012 is 21020211210111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11101211201982 and 11101211202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41206564 + ... + 41475092.

It is an arithmetic number, because the mean of its divisors is an integer number (548800131600).

Almost surely, 2^{11101211202012} is an apocalyptic number.

11101211202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101211202012 is an abundant number, since it is smaller than the sum of its proper divisors (15241195114788).

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

11101211202012 is a wasteful number, since it uses less digits than its factorization.

11101211202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326986 (or 326984 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11101211202012 its reverse (21020211210111), we get a palindrome (32121422412123).

The spelling of 11101211202012 in words is "eleven trillion, one hundred one billion, two hundred eleven million, two hundred two thousand, twelve".