121000212232222 has 16 divisors (see below), whose sum is σ = 182201050183680. Its totient is φ = 60266555647672.

The previous prime is 121000212232199. The next prime is 121000212232279. The reversal of 121000212232222 is 222232212000121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121000212232193 and 121000212232202.

It is a congruent number.

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, 2344479 + ... + 15732037.

It is an arithmetic number, because the mean of its divisors is an integer number (11387565636480).

Almost surely, 2^{121000212232222} is an apocalyptic number.

121000212232222 is a deficient number, since it is larger than the sum of its proper divisors (61200837951458).

121000212232222 is a wasteful number, since it uses less digits than its factorization.

121000212232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13405007.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121000212232222 its reverse (222232212000121), we get a palindrome (343232424232343).

The spelling of 121000212232222 in words is "one hundred twenty-one trillion, two hundred twelve million, two hundred thirty-two thousand, two hundred twenty-two".