121001120112222 has 96 divisors (see below), whose sum is σ = 300695983683264. Its totient is φ = 34448028364800.

The previous prime is 121001120112203. The next prime is 121001120112427. The reversal of 121001120112222 is 222211021100121.

121001120112222 is a `hidden beast` number, since 1 + 210 + 0 + 1 + 120 + 112 + 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 = 121001120112195 and 121001120112204.

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, 37793572 + ... + 40869992.

It is an arithmetic number, because the mean of its divisors is an integer number (3132249830034).

Almost surely, 2^{121001120112222} is an apocalyptic number.

121001120112222 is an abundant number, since it is smaller than the sum of its proper divisors (179694863571042).

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

121001120112222 is a wasteful number, since it uses less digits than its factorization.

121001120112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077554 (or 3077551 counting only the distinct ones).

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

Adding to 121001120112222 its reverse (222211021100121), we get a palindrome (343212141212343).

The spelling of 121001120112222 in words is "one hundred twenty-one trillion, one billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty-two".