122616035221 has 4 divisors (see below), whose sum is σ = 122645996812. Its totient is φ = 122586073632.

The previous prime is 122616035183. The next prime is 122616035233. The reversal of 122616035221 is 122530616221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93593164900 + 29022870321 = 305930^2 + 170361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122616035221 is a prime.

It is a super-3 number, since 3×122616035221³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122616035281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14974656 + ... + 14982841.

It is an arithmetic number, because the mean of its divisors is an integer number (30661499203).

Almost surely, 2^122616035221 is an apocalyptic number.

It is an amenable number.

122616035221 is a deficient number, since it is larger than the sum of its proper divisors (29961591).

122616035221 is an equidigital number, since it uses as much as digits as its factorization.

122616035221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29961590.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 122616035221 in words is "one hundred twenty-two billion, six hundred sixteen million, thirty-five thousand, two hundred twenty-one".