1000100200122 has 48 divisors (see below), whose sum is σ = 2281133050560. Its totient is φ = 315793040256.

The previous prime is 1000100200063. The next prime is 1000100200159. The reversal of 1000100200122 is 2210020010001.

It is a super-3 number, since 3×1000100200122³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3905698 + ... + 4153874.

It is an arithmetic number, because the mean of its divisors is an integer number (47523605220).

Almost surely, 2^{1000100200122} is an apocalyptic number.

1000100200122 is an abundant number, since it is smaller than the sum of its proper divisors (1281032850438).

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

1000100200122 is a wasteful number, since it uses less digits than its factorization.

1000100200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259987 (or 259984 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000100200122 its reverse (2210020010001), we get a palindrome (3210120210123).

The spelling of 1000100200122 in words is "one trillion, one hundred million, two hundred thousand, one hundred twenty-two".