122298228921 has 16 divisors (see below), whose sum is σ = 178284542400. Its totient is φ = 73955051520.

The previous prime is 122298228917. The next prime is 122298228931. The reversal of 122298228921 is 129822892221.

It is not a de Polignac number, because 122298228921 - 2² = 122298228917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122298228911) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4112140 + ... + 4141773.

It is an arithmetic number, because the mean of its divisors is an integer number (11142783900).

Almost surely, 2^122298228921 is an apocalyptic number.

122298228921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122298228921 is a deficient number, since it is larger than the sum of its proper divisors (55986313479).

122298228921 is a wasteful number, since it uses less digits than its factorization.

122298228921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254376.

The product of its digits is 331776, while the sum is 48.

The spelling of 122298228921 in words is "one hundred twenty-two billion, two hundred ninety-eight million, two hundred twenty-eight thousand, nine hundred twenty-one".