10001001210100 has 36 divisors (see below), whose sum is σ = 21758836345344. Its totient is φ = 3989955558880.

The previous prime is 10001001209971. The next prime is 10001001210107. The reversal of 10001001210100 is 101210010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001001210107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130523074 + ... + 130599673.

It is an arithmetic number, because the mean of its divisors is an integer number (604412120704).

Almost surely, 2^{10001001210100} is an apocalyptic number.

10001001210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001001210100 is an abundant number, since it is smaller than the sum of its proper divisors (11757835135244).

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

10001001210100 is a wasteful number, since it uses less digits than its factorization.

10001001210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261123144 (or 261123137 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001001210100 its reverse (101210010001), we get a palindrome (10102211220101).

The spelling of 10001001210100 in words is "ten trillion, one billion, one million, two hundred ten thousand, one hundred".