140121051344401 has 2 divisors, whose sum is σ = 140121051344402. Its totient is φ = 140121051344400.

The previous prime is 140121051344311. The next prime is 140121051344489. The reversal of 140121051344401 is 104443150121041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99505093850176 + 40615957494225 = 9975224^2 + 6373065^2 .

It is a cyclic number.

It is not a de Polignac number, because 140121051344401 - 2¹⁷ = 140121051213329 is a prime.

It is a super-2 number, since 2×140121051344401² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140121051314401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060525672200 + 70060525672201.

It is an arithmetic number, because the mean of its divisors is an integer number (70060525672201).

Almost surely, 2^{140121051344401} is an apocalyptic number.

It is an amenable number.

140121051344401 is a deficient number, since it is larger than the sum of its proper divisors (1).

140121051344401 is an equidigital number, since it uses as much as digits as its factorization.

140121051344401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 140121051344401 in words is "one hundred forty trillion, one hundred twenty-one billion, fifty-one million, three hundred forty-four thousand, four hundred one".