121436022164401 has 16 divisors (see below), whose sum is σ = 143956924676224. Its totient is φ = 100274663712384.

The previous prime is 121436022164393. The next prime is 121436022164411. The reversal of 121436022164401 is 104461220634121.

It is not a de Polignac number, because 121436022164401 - 2³ = 121436022164393 is a prime.

It is a super-2 number, since 2×121436022164401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121436022164411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2763278946 + ... + 2763322891.

It is an arithmetic number, because the mean of its divisors is an integer number (8997307792264).

Almost surely, 2^{121436022164401} is an apocalyptic number.

It is an amenable number.

121436022164401 is a deficient number, since it is larger than the sum of its proper divisors (22520902511823).

121436022164401 is an equidigital number, since it uses as much as digits as its factorization.

121436022164401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526601960.

The product of its (nonzero) digits is 55296, while the sum is 37.

Adding to 121436022164401 its reverse (104461220634121), we get a palindrome (225897242798522).

The spelling of 121436022164401 in words is "one hundred twenty-one trillion, four hundred thirty-six billion, twenty-two million, one hundred sixty-four thousand, four hundred one".