101010001202021 has 4 divisors (see below), whose sum is σ = 101073972072000. Its totient is φ = 100946030332044.

The previous prime is 101010001201997. The next prime is 101010001202029. The reversal of 101010001202021 is 120202100010101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101010001202021 - 2³⁰ = 101008927460197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010001201993 and 101010001202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010001202029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31985432621 + ... + 31985435778.

It is an arithmetic number, because the mean of its divisors is an integer number (25268493018000).

Almost surely, 2^{101010001202021} is an apocalyptic number.

It is an amenable number.

101010001202021 is a deficient number, since it is larger than the sum of its proper divisors (63970869979).

101010001202021 is an equidigital number, since it uses as much as digits as its factorization.

101010001202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63970869978.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101010001202021 its reverse (120202100010101), we get a palindrome (221212101212122).

The spelling of 101010001202021 in words is "one hundred one trillion, ten billion, one million, two hundred two thousand, twenty-one".