101030211130021 has 16 divisors (see below), whose sum is σ = 106577406936000. Its totient is φ = 95506005011328.

The previous prime is 101030211130019. The next prime is 101030211130033. The reversal of 101030211130021 is 120031112030101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101030211130021 - 2¹ = 101030211130019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101030211129977 and 101030211130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030211130061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697780191 + ... + 697924963.

It is an arithmetic number, because the mean of its divisors is an integer number (6661087933500).

Almost surely, 2^{101030211130021} is an apocalyptic number.

It is an amenable number.

101030211130021 is a deficient number, since it is larger than the sum of its proper divisors (5547195805979).

101030211130021 is a wasteful number, since it uses less digits than its factorization.

101030211130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223908.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101030211130021 its reverse (120031112030101), we get a palindrome (221061323160122).

The spelling of 101030211130021 in words is "one hundred one trillion, thirty billion, two hundred eleven million, one hundred thirty thousand, twenty-one".