1122100220401 has 2 divisors, whose sum is σ = 1122100220402. Its totient is φ = 1122100220400.

The previous prime is 1122100220399. The next prime is 1122100220407. The reversal of 1122100220401 is 1040220012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122008444001 + 91776400 = 1059249^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122100220401 - 2¹ = 1122100220399 is a prime.

Together with 1122100220399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1122100220407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050110200 + 561050110201.

It is an arithmetic number, because the mean of its divisors is an integer number (561050110201).

Almost surely, 2^{1122100220401} is an apocalyptic number.

It is an amenable number.

1122100220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122100220401 is an equidigital number, since it uses as much as digits as its factorization.

1122100220401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122100220401 its reverse (1040220012211), we get a palindrome (2162320232612).

The spelling of 1122100220401 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty thousand, four hundred one".