100020002221001 has 8 divisors (see below), whose sum is σ = 100189488518784. Its totient is φ = 99850633178800.

The previous prime is 100020002220989. The next prime is 100020002221129. The reversal of 100020002221001 is 100122200020001.

It is a happy number.

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 100020002221001 - 2¹⁸ = 100020001958857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020002221201) 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, 27606350 + ... + 31018551.

It is an arithmetic number, because the mean of its divisors is an integer number (12523686064848).

Almost surely, 2^{100020002221001} is an apocalyptic number.

It is an amenable number.

100020002221001 is a deficient number, since it is larger than the sum of its proper divisors (169486297783).

100020002221001 is an equidigital number, since it uses as much as digits as its factorization.

100020002221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58627791.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020002221001 its reverse (100122200020001), we get a palindrome (200142202241002).

The spelling of 100020002221001 in words is "one hundred trillion, twenty billion, two million, two hundred twenty-one thousand, one".