2111002001002 has 64 divisors (see below), whose sum is σ = 3363201865728. Its totient is φ = 992328480000.

The previous prime is 2111002000999. The next prime is 2111002001029. The reversal of 2111002001002 is 2001002001112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111002001002.

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, 157284252 + ... + 157297672.

It is an arithmetic number, because the mean of its divisors is an integer number (52550029152).

Almost surely, 2^{2111002001002} is an apocalyptic number.

2111002001002 is a deficient number, since it is larger than the sum of its proper divisors (1252199864726).

2111002001002 is a wasteful number, since it uses less digits than its factorization.

2111002001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13975.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2111002001002 its reverse (2001002001112), we get a palindrome (4112004002114).

The spelling of 2111002001002 in words is "two trillion, one hundred eleven billion, two million, one thousand, two".