121101202020222 has 96 divisors (see below), whose sum is σ = 269714280569760. Its totient is φ = 39241563678720.

The previous prime is 121101202020221. The next prime is 121101202020317. The reversal of 121101202020222 is 222020202101121.

It is a happy number.

121101202020222 is a `hidden beast` number, since 12 + 110 + 120 + 202 + 0 + 222 = 666.

It is a super-2 number, since 2×121101202020222² (a number of 29 digits) contains 22 as substring.

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 = 121101202020195 and 121101202020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101202020221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3741023697 + ... + 3741056067.

It is an arithmetic number, because the mean of its divisors is an integer number (2809523755935).

Almost surely, 2^{121101202020222} is an apocalyptic number.

121101202020222 is an abundant number, since it is smaller than the sum of its proper divisors (148613078549538).

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

121101202020222 is a wasteful number, since it uses less digits than its factorization.

121101202020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37178 (or 37175 counting only the distinct ones).

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

Adding to 121101202020222 its reverse (222020202101121), we get a palindrome (343121404121343).

The spelling of 121101202020222 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred two million, twenty thousand, two hundred twenty-two".