121222200311 has 2 divisors, whose sum is σ = 121222200312. Its totient is φ = 121222200310.

The previous prime is 121222200289. The next prime is 121222200343. The reversal of 121222200311 is 113002222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222200311 - 2⁶ = 121222200247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121222200311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222200361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611100155 + 60611100156.

It is an arithmetic number, because the mean of its divisors is an integer number (60611100156).

Almost surely, 2^121222200311 is an apocalyptic number.

121222200311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222200311 is an equidigital number, since it uses as much as digits as its factorization.

121222200311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121222200311 its reverse (113002222121), we get a palindrome (234224422432).

The spelling of 121222200311 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, three hundred eleven".