121222122233331 has 16 divisors (see below), whose sum is σ = 184769660922624. Its totient is φ = 69250945420704.

The previous prime is 121222122233309. The next prime is 121222122233357. The reversal of 121222122233331 is 133332221222121.

It is a happy number.

It is not a de Polignac number, because 121222122233331 - 2⁹ = 121222122232819 is a prime.

It is a super-2 number, since 2×121222122233331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121222112233331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784867305 + ... + 785021738.

It is an arithmetic number, because the mean of its divisors is an integer number (11548103807664).

Almost surely, 2^{121222122233331} is an apocalyptic number.

121222122233331 is a deficient number, since it is larger than the sum of its proper divisors (63547538689293).

121222122233331 is a wasteful number, since it uses less digits than its factorization.

121222122233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569892730.

The product of its digits is 10368, while the sum is 30.

Adding to 121222122233331 its reverse (133332221222121), we get a palindrome (254554343455452).

The spelling of 121222122233331 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred thirty-three thousand, three hundred thirty-one".