2120001111002 has 32 divisors (see below), whose sum is σ = 3372008104080. Its totient is φ = 996182287360.

The previous prime is 2120001110971. The next prime is 2120001111049. The reversal of 2120001111002 is 2001111000212.

It can be written as a sum of positive squares in 8 ways, for example, as 288853577401 + 1831147533601 = 537451^2 + 1353199^2 .

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, 158237768 + ... + 158251164.

Almost surely, 2^{2120001111002} is an apocalyptic number.

2120001111002 is a deficient number, since it is larger than the sum of its proper divisors (1252006993078).

2120001111002 is a wasteful number, since it uses less digits than its factorization.

2120001111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2120001111002 its reverse (2001111000212), we get a palindrome (4121112111214).

The spelling of 2120001111002 in words is "two trillion, one hundred twenty billion, one million, one hundred eleven thousand, two".