121102101111222 has 48 divisors (see below), whose sum is σ = 327132948460032. Its totient is φ = 31455091197360.

The previous prime is 121102101111203. The next prime is 121102101111239. The reversal of 121102101111222 is 222111101201121.

It is a happy number.

121102101111222 is a `hidden beast` number, since 1 + 211 + 0 + 210 + 11 + 11 + 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 = 121102101111195 and 121102101111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43687625278 + ... + 43687628049.

It is an arithmetic number, because the mean of its divisors is an integer number (6815269759584).

Almost surely, 2^{121102101111222} is an apocalyptic number.

121102101111222 is an abundant number, since it is smaller than the sum of its proper divisors (206030847348810).

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

121102101111222 is a wasteful number, since it uses less digits than its factorization.

121102101111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87375253353 (or 87375253350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121102101111222 its reverse (222111101201121), we get a palindrome (343213202312343).

The spelling of 121102101111222 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred one million, one hundred eleven thousand, two hundred twenty-two".