2111121011002 has 16 divisors (see below), whose sum is σ = 3333377498400. Its totient is φ = 999996129360.

The previous prime is 2111121010981. The next prime is 2111121011017. The reversal of 2111121011002 is 2001101211112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7709352 + ... + 7978492.

It is an arithmetic number, because the mean of its divisors is an integer number (208336093650).

Almost surely, 2^{2111121011002} is an apocalyptic number.

2111121011002 is a deficient number, since it is larger than the sum of its proper divisors (1222256487398).

2111121011002 is a wasteful number, since it uses less digits than its factorization.

2111121011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475581.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111121011002 its reverse (2001101211112), we get a palindrome (4112222222114).

The spelling of 2111121011002 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, eleven thousand, two".