2101252204511 has 16 divisors (see below), whose sum is σ = 2181413237760. Its totient is φ = 2022576874080.

The previous prime is 2101252204481. The next prime is 2101252204607. The reversal of 2101252204511 is 1154022521012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2101252204511 - 2¹⁴ = 2101252188127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101252254511) 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, 25208060 + ... + 25291278.

It is an arithmetic number, because the mean of its divisors is an integer number (136338327360).

Almost surely, 2^{2101252204511} is an apocalyptic number.

2101252204511 is a deficient number, since it is larger than the sum of its proper divisors (80161033249).

2101252204511 is an equidigital number, since it uses as much as digits as its factorization.

2101252204511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92134.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 2101252204511 its reverse (1154022521012), we get a palindrome (3255274725523).

The spelling of 2101252204511 in words is "two trillion, one hundred one billion, two hundred fifty-two million, two hundred four thousand, five hundred eleven".