101201010010021 has 16 divisors (see below), whose sum is σ = 103597229425536. Its totient is φ = 98823509942976.

The previous prime is 101201010010013. The next prime is 101201010010097. The reversal of 101201010010021 is 120010010102101.

It is a cyclic number.

It is not a de Polignac number, because 101201010010021 - 2³ = 101201010010013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201010010721) 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, 11914066 + ... + 18556588.

It is an arithmetic number, because the mean of its divisors is an integer number (6474826839096).

Almost surely, 2^{101201010010021} is an apocalyptic number.

It is an amenable number.

101201010010021 is a deficient number, since it is larger than the sum of its proper divisors (2396219415515).

101201010010021 is a wasteful number, since it uses less digits than its factorization.

101201010010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643932.

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

Adding to 101201010010021 its reverse (120010010102101), we get a palindrome (221211020112122).

The spelling of 101201010010021 in words is "one hundred one trillion, two hundred one billion, ten million, ten thousand, twenty-one".