122021111202113 has 4 divisors (see below), whose sum is σ = 124323396319188. Its totient is φ = 119718826085040.

The previous prime is 122021111202049. The next prime is 122021111202187. The reversal of 122021111202113 is 311202111120221.

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 90387764533504 + 31633346668609 = 9507248^2 + 5624353^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021111202113 - 2⁶ = 122021111202049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021111205113) 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, 1151142558458 + ... + 1151142558563.

It is an arithmetic number, because the mean of its divisors is an integer number (31080849079797).

Almost surely, 2^{122021111202113} is an apocalyptic number.

It is an amenable number.

122021111202113 is a deficient number, since it is larger than the sum of its proper divisors (2302285117075).

122021111202113 is an equidigital number, since it uses as much as digits as its factorization.

122021111202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302285117074.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 122021111202113 its reverse (311202111120221), we get a palindrome (433223222322334).

The spelling of 122021111202113 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred eleven million, two hundred two thousand, one hundred thirteen".