2121122111002 has 32 divisors (see below), whose sum is σ = 3268269067392. Its totient is φ = 1032177970944.

The previous prime is 2121122110999. The next prime is 2121122111033. The reversal of 2121122111002 is 2001112211212.

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, 3022833 + ... + 3657835.

It is an arithmetic number, because the mean of its divisors is an integer number (102133408356).

Almost surely, 2^{2121122111002} is an apocalyptic number.

2121122111002 is a deficient number, since it is larger than the sum of its proper divisors (1147146956390).

2121122111002 is a wasteful number, since it uses less digits than its factorization.

2121122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635382.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2121122111002 its reverse (2001112211212), we get a palindrome (4122234322214).

The spelling of 2121122111002 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, two".