121210220122022 has 4 divisors (see below), whose sum is σ = 181815330183036. Its totient is φ = 60605110061010.

The previous prime is 121210220122003. The next prime is 121210220122081. The reversal of 121210220122022 is 220221022012121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121210220121985 and 121210220122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30302555030504 + ... + 30302555030507.

It is an arithmetic number, because the mean of its divisors is an integer number (45453832545759).

Almost surely, 2^{121210220122022} is an apocalyptic number.

121210220122022 is a deficient number, since it is larger than the sum of its proper divisors (60605110061014).

121210220122022 is an equidigital number, since it uses as much as digits as its factorization.

121210220122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60605110061013.

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

Adding to 121210220122022 its reverse (220221022012121), we get a palindrome (341431242134143).

The spelling of 121210220122022 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".