122111020403 has 4 divisors (see below), whose sum is σ = 123369897000. Its totient is φ = 120852143808.

The previous prime is 122111020397. The next prime is 122111020459. The reversal of 122111020403 is 304020111221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122111020403 is a prime.

It is a super-2 number, since 2×122111020403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122111020103) 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, 629438153 + ... + 629438346.

It is an arithmetic number, because the mean of its divisors is an integer number (30842474250).

Almost surely, 2^122111020403 is an apocalyptic number.

122111020403 is a deficient number, since it is larger than the sum of its proper divisors (1258876597).

122111020403 is an equidigital number, since it uses as much as digits as its factorization.

122111020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258876596.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122111020403 its reverse (304020111221), we get a palindrome (426131131624).

The spelling of 122111020403 in words is "one hundred twenty-two billion, one hundred eleven million, twenty thousand, four hundred three".