121022011200222 has 48 divisors (see below), whose sum is σ = 286073606856960. Its totient is φ = 36670570011600.

The previous prime is 121022011200221. The next prime is 121022011200247. The reversal of 121022011200222 is 222002110220121.

It is a happy number.

121022011200222 is a `hidden beast` number, since 1 + 2 + 10 + 220 + 11 + 200 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 121022011200195 and 121022011200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022011200221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20424054 + ... + 25674617.

It is an arithmetic number, because the mean of its divisors is an integer number (5959866809520).

Almost surely, 2^{121022011200222} is an apocalyptic number.

121022011200222 is an abundant number, since it is smaller than the sum of its proper divisors (165051595656738).

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

121022011200222 is a wasteful number, since it uses less digits than its factorization.

121022011200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46111949 (or 46111946 counting only the distinct ones).

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

Adding to 121022011200222 its reverse (222002110220121), we get a palindrome (343024121420343).

The spelling of 121022011200222 in words is "one hundred twenty-one trillion, twenty-two billion, eleven million, two hundred thousand, two hundred twenty-two".