2122031023100 has 216 divisors, whose sum is σ = 4948360190928. Its totient is φ = 789665177600.

The previous prime is 2122031023069. The next prime is 2122031023127. The reversal of 2122031023100 is 13201302212.

It is a super-2 number, since 2×2122031023100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1109267744 + ... + 1109269656.

It is an arithmetic number, because the mean of its divisors is an integer number (22909074958).

Almost surely, 2^{2122031023100} is an apocalyptic number.

2122031023100 is a gapful number since it is divisible by the number (20) 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 2122031023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2474180095464).

2122031023100 is an abundant number, since it is smaller than the sum of its proper divisors (2826329167828).

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

2122031023100 is a wasteful number, since it uses less digits than its factorization.

2122031023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2122031023100 its reverse (13201302212), we get a palindrome (2135232325312).

The spelling of 2122031023100 in words is "two trillion, one hundred twenty-two billion, thirty-one million, twenty-three thousand, one hundred".