121332020122 has 4 divisors (see below), whose sum is σ = 181998030186. Its totient is φ = 60666010060.

The previous prime is 121332020107. The next prime is 121332020153. The reversal of 121332020122 is 221020233121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221020233121 = 29 ⋅7621387349.

It can be written as a sum of positive squares in only one way, i.e., 91658168001 + 29673852121 = 302751^2 + 172261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121332020122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30333005029 + ... + 30333005032.

Almost surely, 2^121332020122 is an apocalyptic number.

121332020122 is a deficient number, since it is larger than the sum of its proper divisors (60666010064).

121332020122 is an equidigital number, since it uses as much as digits as its factorization.

121332020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60666010063.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121332020122 its reverse (221020233121), we get a palindrome (342352253243).

The spelling of 121332020122 in words is "one hundred twenty-one billion, three hundred thirty-two million, twenty thousand, one hundred twenty-two".