10100001210020 has 12 divisors (see below), whose sum is σ = 21210002541084. Its totient is φ = 4040000484000.

The previous prime is 10100001209989. The next prime is 10100001210037. The reversal of 10100001210020 is 2001210000101.

It can be written as a sum of positive squares in 2 ways, for example, as 2333512877056 + 7766488332964 = 1527584^2 + 2786842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252500030231 + ... + 252500030270.

It is an arithmetic number, because the mean of its divisors is an integer number (1767500211757).

Almost surely, 2^{10100001210020} is an apocalyptic number.

10100001210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100001210020 is an abundant number, since it is smaller than the sum of its proper divisors (11110001331064).

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

10100001210020 is a wasteful number, since it uses less digits than its factorization.

10100001210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505000060510 (or 505000060508 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10100001210020 its reverse (2001210000101), we get a palindrome (12101211210121).

The spelling of 10100001210020 in words is "ten trillion, one hundred billion, one million, two hundred ten thousand, twenty".