100211110120021 has 8 divisors (see below), whose sum is σ = 104646915327744. Its totient is φ = 95781871614000.

The previous prime is 100211110119997. The next prime is 100211110120087. The reversal of 100211110120021 is 120021011112001.

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 100211110120021 - 2¹¹ = 100211110117973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100211110119983 and 100211110120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211110120721) 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, 1641644230 + ... + 1641705271.

It is an arithmetic number, because the mean of its divisors is an integer number (13080864415968).

Almost surely, 2^{100211110120021} is an apocalyptic number.

It is an amenable number.

100211110120021 is a deficient number, since it is larger than the sum of its proper divisors (4435805207723).

100211110120021 is a wasteful number, since it uses less digits than its factorization.

100211110120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283350851.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100211110120021 its reverse (120021011112001), we get a palindrome (220232121232022).

The spelling of 100211110120021 in words is "one hundred trillion, two hundred eleven billion, one hundred ten million, one hundred twenty thousand, twenty-one".