100012201121021 has 8 divisors (see below), whose sum is σ = 114299718919680. Its totient is φ = 85724698446288.

The previous prime is 100012201121003. The next prime is 100012201121023. The reversal of 100012201121021 is 120121102210001.

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 100012201121021 - 2¹⁰ = 100012201119997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012201120987 and 100012201121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012201121023) 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, 23891540 + ... + 27763826.

It is an arithmetic number, because the mean of its divisors is an integer number (14287464864960).

Almost surely, 2^{100012201121021} is an apocalyptic number.

It is an amenable number.

100012201121021 is a deficient number, since it is larger than the sum of its proper divisors (14287517798659).

100012201121021 is an equidigital number, since it uses as much as digits as its factorization.

100012201121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561963.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100012201121021 its reverse (120121102210001), we get a palindrome (220133303331022).

The spelling of 100012201121021 in words is "one hundred trillion, twelve billion, two hundred one million, one hundred twenty-one thousand, twenty-one".