2100010101211 has 4 divisors (see below), whose sum is σ = 2290920110424. Its totient is φ = 1909100092000.

The previous prime is 2100010101197. The next prime is 2100010101251. The reversal of 2100010101211 is 1121010100012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100010101211 - 2⁵ = 2100010101179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100010101251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95455004590 + ... + 95455004611.

It is an arithmetic number, because the mean of its divisors is an integer number (572730027606).

Almost surely, 2^{2100010101211} is an apocalyptic number.

2100010101211 is a deficient number, since it is larger than the sum of its proper divisors (190910009213).

2100010101211 is a wasteful number, since it uses less digits than its factorization.

2100010101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190910009212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100010101211 its reverse (1121010100012), we get a palindrome (3221020201223).

The spelling of 2100010101211 in words is "two trillion, one hundred billion, ten million, one hundred one thousand, two hundred eleven".