121122200000022 has 32 divisors (see below), whose sum is σ = 260880281867520. Its totient is φ = 37268126766240.

The previous prime is 121122199999981. The next prime is 121122200000051. The reversal of 121122200000022 is 220000002221121.

It is a junction number, because it is equal to n+sod(n) for n = 121122199999947 and 121122200000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203997 + ... + 17150567.

It is an arithmetic number, because the mean of its divisors is an integer number (8152508808360).

Almost surely, 2^{121122200000022} is an apocalyptic number.

121122200000022 is an abundant number, since it is smaller than the sum of its proper divisors (139758081867498).

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

121122200000022 is a wasteful number, since it uses less digits than its factorization.

121122200000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102708.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121122200000022 its reverse (220000002221121), we get a palindrome (341122202221143).

The spelling of 121122200000022 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred million, twenty-two", and thus it is an aban number.