122203013100 has 144 divisors (see below), whose sum is σ = 405244896000. Its totient is φ = 27851915520.

The previous prime is 122203013099. The next prime is 122203013113. The reversal of 122203013100 is 1310302221.

It is a super-2 number, since 2×122203013100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122203013100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 649531 + ... + 816269.

Almost surely, 2^122203013100 is an apocalyptic number.

122203013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122203013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202622448000).

122203013100 is an abundant number, since it is smaller than the sum of its proper divisors (283041882900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122203013100 is a wasteful number, since it uses less digits than its factorization.

122203013100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167112 (or 167105 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122203013100 its reverse (1310302221), we get a palindrome (123513315321).

The spelling of 122203013100 in words is "one hundred twenty-two billion, two hundred three million, thirteen thousand, one hundred".