100101211021 has 8 divisors (see below), whose sum is σ = 115779714624. Its totient is φ = 84767290080.

The previous prime is 100101210943. The next prime is 100101211037. The reversal of 100101211021 is 120112101001.

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 100101211021 - 2¹⁵ = 100101178253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100101210989 and 100101211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100101211051) 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, 86145040 + ... + 86146201.

It is an arithmetic number, because the mean of its divisors is an integer number (14472464328).

Almost surely, 2^100101211021 is an apocalyptic number.

It is an amenable number.

100101211021 is a deficient number, since it is larger than the sum of its proper divisors (15678503603).

100101211021 is an equidigital number, since it uses as much as digits as its factorization.

100101211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172291331.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100101211021 its reverse (120112101001), we get a palindrome (220213312022).

The spelling of 100101211021 in words is "one hundred billion, one hundred one million, two hundred eleven thousand, twenty-one".