101100211012021 has 8 divisors (see below), whose sum is σ = 109112306159360. Its totient is φ = 93121709555952.

The previous prime is 101100211012001. The next prime is 101100211012039. The reversal of 101100211012021 is 120210112001101.

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 101100211012021 - 2¹³ = 101100211003829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101100211011992 and 101100211012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100211012001) 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, 8398416561 + ... + 8398428598.

It is an arithmetic number, because the mean of its divisors is an integer number (13639038269920).

Almost surely, 2^{101100211012021} is an apocalyptic number.

It is an amenable number.

101100211012021 is a deficient number, since it is larger than the sum of its proper divisors (8012095147339).

101100211012021 is a wasteful number, since it uses less digits than its factorization.

101100211012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796845635.

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

Adding to 101100211012021 its reverse (120210112001101), we get a palindrome (221310323013122).

The spelling of 101100211012021 in words is "one hundred one trillion, one hundred billion, two hundred eleven million, twelve thousand, twenty-one".