2101211201002 has 8 divisors (see below), whose sum is σ = 3187230473700. Its totient is φ = 1038801043104.

The previous prime is 2101211200993. The next prime is 2101211201081. The reversal of 2101211201002 is 2001021121012.

It can be written as a sum of positive squares in 2 ways, for example, as 1876924660081 + 224286540921 = 1370009^2 + 473589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2101211201002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5902278477 + ... + 5902278832.

Almost surely, 2^{2101211201002} is an apocalyptic number.

2101211201002 is a deficient number, since it is larger than the sum of its proper divisors (1086019272698).

2101211201002 is a wasteful number, since it uses less digits than its factorization.

2101211201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804557400.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101211201002 its reverse (2001021121012), we get a palindrome (4102232322014).

The spelling of 2101211201002 in words is "two trillion, one hundred one billion, two hundred eleven million, two hundred one thousand, two".