121102211001222 has 48 divisors (see below), whose sum is σ = 286261812495360. Its totient is φ = 36695047023600.

The previous prime is 121102211001199. The next prime is 121102211001229. The reversal of 121102211001222 is 222100112201121.

121102211001222 is a `hidden beast` number, since 1 + 211 + 0 + 221 + 10 + 0 + 1 + 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 = 121102211001195 and 121102211001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102211001229) 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, 18795054 + ... + 24402017.

It is an arithmetic number, because the mean of its divisors is an integer number (5963787760320).

Almost surely, 2^{121102211001222} is an apocalyptic number.

121102211001222 is an abundant number, since it is smaller than the sum of its proper divisors (165159601494138).

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

121102211001222 is a wasteful number, since it uses less digits than its factorization.

121102211001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43211249 (or 43211246 counting only the distinct ones).

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

Adding to 121102211001222 its reverse (222100112201121), we get a palindrome (343202323202343).

The spelling of 121102211001222 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred eleven million, one thousand, two hundred twenty-two".