121422011202 has 16 divisors (see below), whose sum is σ = 269826691680. Its totient is φ = 40474003716.

The previous prime is 121422011189. The next prime is 121422011203. The reversal of 121422011202 is 202110224121.

121422011202 is a `hidden beast` number, since 121 + 422 + 0 + 1 + 120 + 2 = 666.

It is a super-2 number, since 2×121422011202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121422011203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124277828 + ... + 1124277935.

It is an arithmetic number, because the mean of its divisors is an integer number (16864168230).

Almost surely, 2^121422011202 is an apocalyptic number.

121422011202 is an abundant number, since it is smaller than the sum of its proper divisors (148404680478).

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

121422011202 is a wasteful number, since it uses less digits than its factorization.

121422011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248555774 (or 2248555768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121422011202 its reverse (202110224121), we get a palindrome (323532235323).

The spelling of 121422011202 in words is "one hundred twenty-one billion, four hundred twenty-two million, eleven thousand, two hundred two".