101210012003021 has 8 divisors (see below), whose sum is σ = 101228464227384. Its totient is φ = 101191560560640.

The previous prime is 101210012002919. The next prime is 101210012003027. The reversal of 101210012003021 is 120300210012101.

It can be written as a sum of positive squares in 4 ways, for example, as 27099624832900 + 74110387170121 = 5205730^2 + 8608739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210012003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210012002987 and 101210012003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210012003027) 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, 300021581 + ... + 300358733.

It is an arithmetic number, because the mean of its divisors is an integer number (12653558028423).

Almost surely, 2^{101210012003021} is an apocalyptic number.

It is an amenable number.

101210012003021 is a deficient number, since it is larger than the sum of its proper divisors (18452224363).

101210012003021 is an equidigital number, since it uses as much as digits as its factorization.

101210012003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390991.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101210012003021 its reverse (120300210012101), we get a palindrome (221510222015122).

The spelling of 101210012003021 in words is "one hundred one trillion, two hundred ten billion, twelve million, three thousand, twenty-one".