121102222200222 has 16 divisors (see below), whose sum is σ = 242205280087680. Its totient is φ = 40367268118872.

The previous prime is 121102222200221. The next prime is 121102222200251. The reversal of 121102222200222 is 222002222201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102222200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32928522 + ... + 36421037.

It is an arithmetic number, because the mean of its divisors is an integer number (15137830005480).

Almost surely, 2^{121102222200222} is an apocalyptic number.

121102222200222 is an abundant number, since it is smaller than the sum of its proper divisors (121103057887458).

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

121102222200222 is a wasteful number, since it uses less digits than its factorization.

121102222200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69640607.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 121102222200222 its reverse (222002222201121), we get a palindrome (343104444401343).

The spelling of 121102222200222 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-two".