2101011021002 has 16 divisors (see below), whose sum is σ = 3153062310792. Its totient is φ = 1049990376960.

The previous prime is 2101011020989. The next prime is 2101011021019. The reversal of 2101011021002 is 2001201101012.

It can be written as a sum of positive squares in 4 ways, for example, as 2013104107921 + 87906913081 = 1418839^2 + 296491^2 .

It is a super-3 number, since 3×2101011021002³ (a number of 38 digits) contains 333 as substring.

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, 38940548 + ... + 38994464.

Almost surely, 2^{2101011021002} is an apocalyptic number.

2101011021002 is a deficient number, since it is larger than the sum of its proper divisors (1052051289790).

2101011021002 is a wasteful number, since it uses less digits than its factorization.

2101011021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63113.

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

Adding to 2101011021002 its reverse (2001201101012), we get a palindrome (4102212122014).

The spelling of 2101011021002 in words is "two trillion, one hundred one billion, eleven million, twenty-one thousand, two".