121021102101222 has 96 divisors (see below), whose sum is σ = 286240746355200. Its totient is φ = 38216522387808.

The previous prime is 121021102101209. The next prime is 121021102101323. The reversal of 121021102101222 is 222101201120121.

121021102101222 is a `hidden beast` number, since 1 + 21 + 0 + 211 + 0 + 210 + 1 + 222 = 666.

It is a super-2 number, since 2×121021102101222² (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 = 121021102101195 and 121021102101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1039311588 + ... + 1039428024.

It is an arithmetic number, because the mean of its divisors is an integer number (2981674441200).

Almost surely, 2^{121021102101222} is an apocalyptic number.

121021102101222 is an abundant number, since it is smaller than the sum of its proper divisors (165219644253978).

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

121021102101222 is a wasteful number, since it uses less digits than its factorization.

121021102101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229032 (or 229020 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121021102101222 its reverse (222101201120121), we get a palindrome (343122303221343).

The spelling of 121021102101222 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred two million, one hundred one thousand, two hundred twenty-two".