10401651121 has 2 divisors, whose sum is σ = 10401651122. Its totient is φ = 10401651120.

The previous prime is 10401651119. The next prime is 10401651179. The reversal of 10401651121 is 12115610401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5861586721 + 4540064400 = 76561^2 + 67380^2 .

It is a cyclic number.

It is not a de Polignac number, because 10401651121 - 2¹ = 10401651119 is a prime.

Together with 10401651119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10401651092 and 10401651101.

It is not a weakly prime, because it can be changed into another prime (10401651101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200825560 + 5200825561.

It is an arithmetic number, because the mean of its divisors is an integer number (5200825561).

Almost surely, 2^10401651121 is an apocalyptic number.

It is an amenable number.

10401651121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10401651121 is an equidigital number, since it uses as much as digits as its factorization.

10401651121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

The spelling of 10401651121 in words is "ten billion, four hundred one million, six hundred fifty-one thousand, one hundred twenty-one".