1001210223100 has 36 divisors (see below), whose sum is σ = 2286974935000. Its totient is φ = 379405978560.

The previous prime is 1001210223089. The next prime is 1001210223127. The reversal of 1001210223100 is 13220121001.

It is a super-2 number, since 2×1001210223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263474475 + ... + 263478274.

Almost surely, 2^{1001210223100} is an apocalyptic number.

1001210223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001210223100 is an abundant number, since it is smaller than the sum of its proper divisors (1285764711900).

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

1001210223100 is a wasteful number, since it uses less digits than its factorization.

1001210223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526952782 (or 526952775 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1001210223100 its reverse (13220121001), we get a palindrome (1014430344101).

The spelling of 1001210223100 in words is "one trillion, one billion, two hundred ten million, two hundred twenty-three thousand, one hundred".