121000120022 has 4 divisors (see below), whose sum is σ = 181500180036. Its totient is φ = 60500060010.

The previous prime is 121000119971. The next prime is 121000120061. The reversal of 121000120022 is 220021000121.

It is a happy number.

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 = 121000119985 and 121000120012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250030004 + ... + 30250030007.

It is an arithmetic number, because the mean of its divisors is an integer number (45375045009).

Almost surely, 2^121000120022 is an apocalyptic number.

121000120022 is a deficient number, since it is larger than the sum of its proper divisors (60500060014).

121000120022 is an equidigital number, since it uses as much as digits as its factorization.

121000120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60500060013.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121000120022 its reverse (220021000121), we get a palindrome (341021120143).

The spelling of 121000120022 in words is "one hundred twenty-one billion, one hundred twenty thousand, twenty-two".