20102211121095 has 12 divisors (see below), whose sum is σ = 34843832609976. Its totient is φ = 10721179264560.

The previous prime is 20102211121093. The next prime is 20102211121151. The reversal of 20102211121095 is 59012111220102.

It is not a de Polignac number, because 20102211121095 - 2¹ = 20102211121093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211121093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223357901301 + ... + 223357901390.

It is an arithmetic number, because the mean of its divisors is an integer number (2903652717498).

Almost surely, 2^{20102211121095} is an apocalyptic number.

20102211121095 is a deficient number, since it is larger than the sum of its proper divisors (14741621488881).

20102211121095 is a wasteful number, since it uses less digits than its factorization.

20102211121095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446715802702 (or 446715802699 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 20102211121095 its reverse (59012111220102), we get a palindrome (79114322341197).

The spelling of 20102211121095 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-one thousand, ninety-five".