121021222010022 has 24 divisors (see below), whose sum is σ = 262216510209264. Its totient is φ = 40339813102704.

The previous prime is 121021222010011. The next prime is 121021222010071. The reversal of 121021222010022 is 220010222120121.

It is a happy number.

121021222010022 is a `hidden beast` number, since 1 + 210 + 212 + 220 + 1 + 0 + 0 + 22 = 666.

It is a super-2 number, since 2×121021222010022² (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 = 121021222009977 and 121021222010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48262738 + ... + 50708325.

It is an arithmetic number, because the mean of its divisors is an integer number (10925687925386).

Almost surely, 2^{121021222010022} is an apocalyptic number.

121021222010022 is an abundant number, since it is smaller than the sum of its proper divisors (141195288199242).

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

121021222010022 is a wasteful number, since it uses less digits than its factorization.

121021222010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99039004 (or 99039001 counting only the distinct ones).

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

Adding to 121021222010022 its reverse (220010222120121), we get a palindrome (341031444130143).

The spelling of 121021222010022 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred twenty-two million, ten thousand, twenty-two".