100012110210021 has 16 divisors (see below), whose sum is σ = 139437779189760. Its totient is φ = 63642694661040.

The previous prime is 100012110210013. The next prime is 100012110210037. The reversal of 100012110210021 is 120012011210001.

It is not a de Polignac number, because 100012110210021 - 2³ = 100012110210013 is a prime.

It is a super-2 number, since 2×100012110210021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100012110209979 and 100012110210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012110210421) 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, 1512963685 + ... + 1513029786.

It is an arithmetic number, because the mean of its divisors is an integer number (8714861199360).

Almost surely, 2^{100012110210021} is an apocalyptic number.

It is an amenable number.

100012110210021 is a deficient number, since it is larger than the sum of its proper divisors (39425668979739).

100012110210021 is a wasteful number, since it uses less digits than its factorization.

100012110210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025993976.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100012110210021 its reverse (120012011210001), we get a palindrome (220024121420022).

The spelling of 100012110210021 in words is "one hundred trillion, twelve billion, one hundred ten million, two hundred ten thousand, twenty-one".