121422244211144 has 16 divisors (see below), whose sum is σ = 227669472982620. Its totient is φ = 60710384749120.

The previous prime is 121422244211137. The next prime is 121422244211159. The reversal of 121422244211144 is 441112442224121.

It can be written as a sum of positive squares in 2 ways, for example, as 76355055707044 + 45067188504100 = 8738138^2 + 6713210^2 .

It is a super-2 number, since 2×121422244211144² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91469387 + ... + 92787354.

Almost surely, 2^{121422244211144} is an apocalyptic number.

It is an amenable number.

121422244211144 is a deficient number, since it is larger than the sum of its proper divisors (106247228771476).

121422244211144 is a wasteful number, since it uses less digits than its factorization.

121422244211144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184339120 (or 184339116 counting only the distinct ones).

The product of its digits is 32768, while the sum is 35.

Adding to 121422244211144 its reverse (441112442224121), we get a palindrome (562534686435265).

The spelling of 121422244211144 in words is "one hundred twenty-one trillion, four hundred twenty-two billion, two hundred forty-four million, two hundred eleven thousand, one hundred forty-four".