2100021202011 has 16 divisors (see below), whose sum is σ = 2818007023104. Its totient is φ = 1391025670944.

The previous prime is 2100021202007. The next prime is 2100021202021. The reversal of 2100021202011 is 1102021200012.

It is not a de Polignac number, because 2100021202011 - 2² = 2100021202007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100021202021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10064206 + ... + 10270748.

It is an arithmetic number, because the mean of its divisors is an integer number (176125438944).

Almost surely, 2^{2100021202011} is an apocalyptic number.

2100021202011 is a deficient number, since it is larger than the sum of its proper divisors (717985821093).

2100021202011 is a wasteful number, since it uses less digits than its factorization.

2100021202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228290.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100021202011 its reverse (1102021200012), we get a palindrome (3202042402023).

It can be divided in two parts, 2100021 and 202011, that added together give a palindrome (2302032).

The spelling of 2100021202011 in words is "two trillion, one hundred billion, twenty-one million, two hundred two thousand, eleven".