20051252102211 has 32 divisors (see below), whose sum is σ = 29407889652480. Its totient is φ = 12151697433920.

The previous prime is 20051252102183. The next prime is 20051252102281. The reversal of 20051252102211 is 11220125215002.

It is not a de Polignac number, because 20051252102211 - 2⁵ = 20051252102179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20051252102281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93204976 + ... + 93419858.

It is an arithmetic number, because the mean of its divisors is an integer number (918996551640).

Almost surely, 2^{20051252102211} is an apocalyptic number.

20051252102211 is a deficient number, since it is larger than the sum of its proper divisors (9356637550269).

20051252102211 is a wasteful number, since it uses less digits than its factorization.

20051252102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238288 (or 238266 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 20051252102211 its reverse (11220125215002), we get a palindrome (31271377317213).

The spelling of 20051252102211 in words is "twenty trillion, fifty-one billion, two hundred fifty-two million, one hundred two thousand, two hundred eleven".