121404544722 has 12 divisors (see below), whose sum is σ = 263043180270. Its totient is φ = 40468181568.

The previous prime is 121404544717. The next prime is 121404544727. The reversal of 121404544722 is 227445404121.

121404544722 is a `hidden beast` number, since 1 + 2 + 1 + 40 + 4 + 544 + 72 + 2 = 666.

121404544722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121404544717) and next prime (121404544727).

It can be written as a sum of positive squares in only one way, i.e., 103343603841 + 18060940881 = 321471^2 + 134391^2 .

It is not an unprimeable number, because it can be changed into a prime (121404544727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3372348447 + ... + 3372348482.

Almost surely, 2^121404544722 is an apocalyptic number.

121404544722 is an abundant number, since it is smaller than the sum of its proper divisors (141638635548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121404544722 is a wasteful number, since it uses less digits than its factorization.

121404544722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744696937 (or 6744696934 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

Adding to 121404544722 its reverse (227445404121), we get a palindrome (348849948843).

The spelling of 121404544722 in words is "one hundred twenty-one billion, four hundred four million, five hundred forty-four thousand, seven hundred twenty-two".