100012010121021 has 8 divisors (see below), whose sum is σ = 133349635895904. Its totient is φ = 66674528880080.

The previous prime is 100012010120917. The next prime is 100012010121031. The reversal of 100012010121021 is 120121010210001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100012010121021 - 2¹⁰ = 100012010119997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012010120988 and 100012010121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012010121031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34508466 + ... + 37294211.

It is an arithmetic number, because the mean of its divisors is an integer number (16668704486988).

Almost surely, 2^{100012010121021} is an apocalyptic number.

It is an amenable number.

100012010121021 is a deficient number, since it is larger than the sum of its proper divisors (33337625774883).

100012010121021 is an equidigital number, since it uses as much as digits as its factorization.

100012010121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72266971.

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

Adding to 100012010121021 its reverse (120121010210001), we get a palindrome (220133020331022).

The spelling of 100012010121021 in words is "one hundred trillion, twelve billion, ten million, one hundred twenty-one thousand, twenty-one".