121122210220022 has 16 divisors (see below), whose sum is σ = 198204998360400. Its totient is φ = 55054156211040.

The previous prime is 121122210220019. The next prime is 121122210220057. The reversal of 121122210220022 is 220022012221121.

It is a junction number, because it is equal to n+sod(n) for n = 121122210219976 and 121122210220003.

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, 68805497 + ... + 70543892.

It is an arithmetic number, because the mean of its divisors is an integer number (12387812397525).

Almost surely, 2^{121122210220022} is an apocalyptic number.

121122210220022 is a deficient number, since it is larger than the sum of its proper divisors (77082788140378).

121122210220022 is a wasteful number, since it uses less digits than its factorization.

121122210220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139388911.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121122210220022 its reverse (220022012221121), we get a palindrome (341144222441143).

The spelling of 121122210220022 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty thousand, twenty-two".