2111020002002 has 4 divisors (see below), whose sum is σ = 3166530003006. Its totient is φ = 1055510001000.

The previous prime is 2111020001969. The next prime is 2111020002031. The reversal of 2111020002002 is 2002000201112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1061520150601 + 1049499851401 = 1030301^2 + 1024451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527755000499 + ... + 527755000502.

Almost surely, 2^{2111020002002} is an apocalyptic number.

2111020002002 is a deficient number, since it is larger than the sum of its proper divisors (1055510001004).

2111020002002 is a wasteful number, since it uses less digits than its factorization.

2111020002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055510001003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2111020002002 its reverse (2002000201112), we get a palindrome (4113020203114).

The spelling of 2111020002002 in words is "two trillion, one hundred eleven billion, twenty million, two thousand, two".