121010022210222 has 24 divisors (see below), whose sum is σ = 262188602121576. Its totient is φ = 40336640121456.

The previous prime is 121010022210221. The next prime is 121010022210347. The reversal of 121010022210222 is 222012220010121.

It is a happy number.

121010022210222 is a `hidden beast` number, since 1 + 210 + 1 + 0 + 0 + 22 + 210 + 222 = 666.

It is a super-2 number, since 2×121010022210222² (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 = 121010022210195 and 121010022210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010022210221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28571868 + ... + 32532624.

It is an arithmetic number, because the mean of its divisors is an integer number (10924525088399).

Almost surely, 2^{121010022210222} is an apocalyptic number.

121010022210222 is an abundant number, since it is smaller than the sum of its proper divisors (141178579911354).

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

121010022210222 is a wasteful number, since it uses less digits than its factorization.

121010022210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658112 (or 5658109 counting only the distinct ones).

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

Adding to 121010022210222 its reverse (222012220010121), we get a palindrome (343022242220343).

The spelling of 121010022210222 in words is "one hundred twenty-one trillion, ten billion, twenty-two million, two hundred ten thousand, two hundred twenty-two".