2021002022101 has 8 divisors (see below), whose sum is σ = 2184867051680. Its totient is φ = 1862886642768.

The previous prime is 2021002022087. The next prime is 2021002022107. The reversal of 2021002022101 is 1012202001202.

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 2021002022101 - 2¹¹ = 2021002020053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002022107) 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, 1437411831 + ... + 1437413236.

It is an arithmetic number, because the mean of its divisors is an integer number (273108381460).

Almost surely, 2^{2021002022101} is an apocalyptic number.

It is an amenable number.

2021002022101 is a deficient number, since it is larger than the sum of its proper divisors (163865029579).

2021002022101 is a wasteful number, since it uses less digits than its factorization.

2021002022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874825123.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021002022101 its reverse (1012202001202), we get a palindrome (3033204023303).

The spelling of 2021002022101 in words is "two trillion, twenty-one billion, two million, twenty-two thousand, one hundred one".