2100022022401 has 2 divisors, whose sum is σ = 2100022022402. Its totient is φ = 2100022022400.

The previous prime is 2100022022323. The next prime is 2100022022411. The reversal of 2100022022401 is 1042202200012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1765706782401 + 334315240000 = 1328799^2 + 578200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100022022401 - 2³³ = 2091432087809 is a prime.

It is a super-2 number, since 2×2100022022401² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100022022411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050011011200 + 1050011011201.

It is an arithmetic number, because the mean of its divisors is an integer number (1050011011201).

Almost surely, 2^{2100022022401} is an apocalyptic number.

It is an amenable number.

2100022022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100022022401 is an equidigital number, since it uses as much as digits as its factorization.

2100022022401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100022022401 its reverse (1042202200012), we get a palindrome (3142224222413).

The spelling of 2100022022401 in words is "two trillion, one hundred billion, twenty-two million, twenty-two thousand, four hundred one".