20022551071101 has 12 divisors (see below), whose sum is σ = 28932446916828. Its totient is φ = 13343297722944.

The previous prime is 20022551071097. The next prime is 20022551071121. The reversal of 20022551071101 is 10117015522002.

20022551071101 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 2 + 551 + 0 + 7 + 1 + 101 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8912822139225 + 11109728931876 = 2985435^2 + 3333126^2 .

It is not a de Polignac number, because 20022551071101 - 2² = 20022551071097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022551071121) 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, 422446470 + ... + 422493863.

It is an arithmetic number, because the mean of its divisors is an integer number (2411037243069).

Almost surely, 2^{20022551071101} is an apocalyptic number.

It is an amenable number.

20022551071101 is a deficient number, since it is larger than the sum of its proper divisors (8909895845727).

20022551071101 is a wasteful number, since it uses less digits than its factorization.

20022551071101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844942972 (or 844942969 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 20022551071101 its reverse (10117015522002), we get a palindrome (30139566593103).

The spelling of 20022551071101 in words is "twenty trillion, twenty-two billion, five hundred fifty-one million, seventy-one thousand, one hundred one".