121220111100232 has 32 divisors (see below), whose sum is σ = 227482972365600. Its totient is φ = 60557987265664.

The previous prime is 121220111100223. The next prime is 121220111100293. The reversal of 121220111100232 is 232001111022121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599443443 + ... + 599645629.

It is an arithmetic number, because the mean of its divisors is an integer number (7108842886425).

Almost surely, 2^{121220111100232} is an apocalyptic number.

It is an amenable number.

121220111100232 is a deficient number, since it is larger than the sum of its proper divisors (106262861265368).

121220111100232 is a wasteful number, since it uses less digits than its factorization.

121220111100232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266205 (or 266201 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121220111100232 its reverse (232001111022121), we get a palindrome (353221222122353).

The spelling of 121220111100232 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, two hundred thirty-two".