121011422422 has 32 divisors (see below), whose sum is σ = 213220563840. Its totient is φ = 50892132480.

The previous prime is 121011422369. The next prime is 121011422429. The reversal of 121011422422 is 224224110121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 121011422393 and 121011422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011422429) 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, 2719968 + ... + 2764099.

It is an arithmetic number, because the mean of its divisors is an integer number (6663142620).

Almost surely, 2^121011422422 is an apocalyptic number.

121011422422 is a deficient number, since it is larger than the sum of its proper divisors (92209141418).

121011422422 is a wasteful number, since it uses less digits than its factorization.

121011422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484156.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 121011422422 its reverse (224224110121), we get a palindrome (345235532543).

The spelling of 121011422422 in words is "one hundred twenty-one billion, eleven million, four hundred twenty-two thousand, four hundred twenty-two".