121210220002222 has 32 divisors (see below), whose sum is σ = 204324150643200. Its totient is φ = 53508264685920.

The previous prime is 121210220002171. The next prime is 121210220002231. The reversal of 121210220002222 is 222200022012121.

It is a self number, because there is not a number n which added to its sum of digits gives 121210220002222.

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, 7408279 + ... + 17242477.

It is an arithmetic number, because the mean of its divisors is an integer number (6385129707600).

Almost surely, 2^{121210220002222} is an apocalyptic number.

121210220002222 is a deficient number, since it is larger than the sum of its proper divisors (83113930640978).

121210220002222 is a wasteful number, since it uses less digits than its factorization.

121210220002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854848.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121210220002222 its reverse (222200022012121), we get a palindrome (343410242014343).

The spelling of 121210220002222 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty million, two thousand, two hundred twenty-two".