2122000106500 has 48 divisors (see below), whose sum is σ = 4712998268160. Its totient is φ = 834413589600.

The previous prime is 2122000106459. The next prime is 2122000106503. The reversal of 2122000106500 is 56010002212.

It is a super-2 number, since 2×2122000106500² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2122000106503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35936604 + ... + 35995603.

It is an arithmetic number, because the mean of its divisors is an integer number (98187463920).

Almost surely, 2^{2122000106500} is an apocalyptic number.

2122000106500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122000106500 is an abundant number, since it is smaller than the sum of its proper divisors (2590998161660).

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

2122000106500 is a wasteful number, since it uses less digits than its factorization.

2122000106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71932285 (or 71932273 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 2122000106500 its reverse (56010002212), we get a palindrome (2178010108712).

The spelling of 2122000106500 in words is "two trillion, one hundred twenty-two billion, one hundred six thousand, five hundred".