100101212002021 has 8 divisors (see below), whose sum is σ = 100174696611264. Its totient is φ = 100027739821440.

The previous prime is 100101212002003. The next prime is 100101212002067. The reversal of 100101212002021 is 120200212101001.

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 100101212002021 - 2⁷ = 100101212001893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100101212001992 and 100101212002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101212002081) 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, 13037640 + ... + 19240126.

It is an arithmetic number, because the mean of its divisors is an integer number (12521837076408).

Almost surely, 2^{100101212002021} is an apocalyptic number.

It is an amenable number.

100101212002021 is a deficient number, since it is larger than the sum of its proper divisors (73484609243).

100101212002021 is a wasteful number, since it uses less digits than its factorization.

100101212002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214331.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100101212002021 its reverse (120200212101001), we get a palindrome (220301424103022).

The spelling of 100101212002021 in words is "one hundred trillion, one hundred one billion, two hundred twelve million, two thousand, twenty-one".