121123022202 has 192 divisors, whose sum is σ = 335409984000. Its totient is φ = 30725097984.

The previous prime is 121123022179. The next prime is 121123022221. The reversal of 121123022202 is 202220321121.

121123022202 is a `hidden beast` number, since 1 + 211 + 230 + 2 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12773299 + ... + 12782777.

It is an arithmetic number, because the mean of its divisors is an integer number (1746927000).

Almost surely, 2^121123022202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121123022202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167704992000).

121123022202 is an abundant number, since it is smaller than the sum of its proper divisors (214286961798).

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

121123022202 is a wasteful number, since it uses less digits than its factorization.

121123022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805 (or 9802 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121123022202 its reverse (202220321121), we get a palindrome (323343343323).

The spelling of 121123022202 in words is "one hundred twenty-one billion, one hundred twenty-three million, twenty-two thousand, two hundred two".