121000121200222 has 32 divisors (see below), whose sum is σ = 200227239843840. Its totient is φ = 54381446771520.

The previous prime is 121000121200141. The next prime is 121000121200249. The reversal of 121000121200222 is 222002121000121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121000121200196 and 121000121200205.

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, 196202883 + ... + 196818625.

It is an arithmetic number, because the mean of its divisors is an integer number (6257101245120).

Almost surely, 2^{121000121200222} is an apocalyptic number.

121000121200222 is a deficient number, since it is larger than the sum of its proper divisors (79227118643618).

121000121200222 is a wasteful number, since it uses less digits than its factorization.

121000121200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716208.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121000121200222 its reverse (222002121000121), we get a palindrome (343002242200343).

The spelling of 121000121200222 in words is "one hundred twenty-one trillion, one hundred twenty-one million, two hundred thousand, two hundred twenty-two".