20113022100401 has 2 divisors, whose sum is σ = 20113022100402. Its totient is φ = 20113022100400.

The previous prime is 20113022100359. The next prime is 20113022100421. The reversal of 20113022100401 is 10400122031102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12922579850401 + 7190442250000 = 3594799^2 + 2681500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20113022100401 is a prime.

It is a super-2 number, since 2×20113022100401² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113022100401.

It is not a weakly prime, because it can be changed into another prime (20113022100421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056511050200 + 10056511050201.

It is an arithmetic number, because the mean of its divisors is an integer number (10056511050201).

Almost surely, 2^{20113022100401} is an apocalyptic number.

It is an amenable number.

20113022100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113022100401 is an equidigital number, since it uses as much as digits as its factorization.

20113022100401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20113022100401 its reverse (10400122031102), we get a palindrome (30513144131503).

The spelling of 20113022100401 in words is "twenty trillion, one hundred thirteen billion, twenty-two million, one hundred thousand, four hundred one".