121222000022 has 16 divisors (see below), whose sum is σ = 186643728144. Its totient is φ = 59027100000.

The previous prime is 121222000013. The next prime is 121222000129. The reversal of 121222000022 is 220000222121.

It is a junction number, because it is equal to n+sod(n) for n = 121221999970 and 121222000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4906604 + ... + 4931247.

It is an arithmetic number, because the mean of its divisors is an integer number (11665233009).

Almost surely, 2^121222000022 is an apocalyptic number.

121222000022 is a deficient number, since it is larger than the sum of its proper divisors (65421728122).

121222000022 is a wasteful number, since it uses less digits than its factorization.

121222000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838015.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121222000022 its reverse (220000222121), we get a palindrome (341222222143).

The spelling of 121222000022 in words is "one hundred twenty-one billion, two hundred twenty-two million, twenty-two", and thus it is an aban number.