1121211111202 has 64 divisors (see below), whose sum is σ = 2074288220928. Its totient is φ = 442622880000.

The previous prime is 1121211111187. The next prime is 1121211111221. The reversal of 1121211111202 is 2021111121211.

It is a super-2 number, since 2×1121211111202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195296052 + ... + 195301792.

It is an arithmetic number, because the mean of its divisors is an integer number (32410753452).

Almost surely, 2^{1121211111202} is an apocalyptic number.

1121211111202 is a deficient number, since it is larger than the sum of its proper divisors (953077109726).

1121211111202 is a wasteful number, since it uses less digits than its factorization.

1121211111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

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

Adding to 1121211111202 its reverse (2021111121211), we get a palindrome (3142322232413).

The spelling of 1121211111202 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, two hundred two".