121112102102222 has 32 divisors (see below), whose sum is σ = 230334264195840. Its totient is φ = 46386761532480.

The previous prime is 121112102102219. The next prime is 121112102102279. The reversal of 121112102102222 is 222201201211121.

It is a junction number, because it is equal to n+sod(n) for n = 121112102102194 and 121112102102203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6664755503 + ... + 6664773674.

It is an arithmetic number, because the mean of its divisors is an integer number (7197945756120).

Almost surely, 2^{121112102102222} is an apocalyptic number.

121112102102222 is a deficient number, since it is larger than the sum of its proper divisors (109222162093618).

121112102102222 is a wasteful number, since it uses less digits than its factorization.

121112102102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13329529256.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121112102102222 its reverse (222201201211121), we get a palindrome (343313303313343).

The spelling of 121112102102222 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred two million, one hundred two thousand, two hundred twenty-two".