121201122210022 has 4 divisors (see below), whose sum is σ = 181801683315036. Its totient is φ = 60600561105010.

The previous prime is 121201122210019. The next prime is 121201122210031. The reversal of 121201122210022 is 220012221102121.

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

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, 30300280552504 + ... + 30300280552507.

It is an arithmetic number, because the mean of its divisors is an integer number (45450420828759).

Almost surely, 2^{121201122210022} is an apocalyptic number.

121201122210022 is a deficient number, since it is larger than the sum of its proper divisors (60600561105014).

121201122210022 is an equidigital number, since it uses as much as digits as its factorization.

121201122210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60600561105013.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121201122210022 its reverse (220012221102121), we get a palindrome (341213343312143).

The spelling of 121201122210022 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-two million, two hundred ten thousand, twenty-two".