122100202231989 has 8 divisors (see below), whose sum is σ = 162803546753472. Its totient is φ = 81398496265920.

The previous prime is 122100202231967. The next prime is 122100202232027. The reversal of 122100202231989 is 989132202001221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122100202231989 - 2¹⁵ = 122100202199221 is a prime.

It is a super-2 number, since 2×122100202231989² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122100202231989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100202231939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409464969 + ... + 409763054.

It is an arithmetic number, because the mean of its divisors is an integer number (20350443344184).

Almost surely, 2^{122100202231989} is an apocalyptic number.

It is an amenable number.

122100202231989 is a deficient number, since it is larger than the sum of its proper divisors (40703344521483).

122100202231989 is an equidigital number, since it uses as much as digits as its factorization.

122100202231989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819277707.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 122100202231989 in words is "one hundred twenty-two trillion, one hundred billion, two hundred two million, two hundred thirty-one thousand, nine hundred eighty-nine".