2021200002101 has 8 divisors (see below), whose sum is σ = 2431518799680. Its totient is φ = 1641275189568.

The previous prime is 2021200002091. The next prime is 2021200002163. The reversal of 2021200002101 is 1012000021202.

It is a happy number.

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

It is not a de Polignac number, because 2021200002101 - 2²² = 2021195807797 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 (2021200002301) 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, 7598496116 + ... + 7598496381.

It is an arithmetic number, because the mean of its divisors is an integer number (303939849960).

Almost surely, 2^{2021200002101} is an apocalyptic number.

It is an amenable number.

2021200002101 is a deficient number, since it is larger than the sum of its proper divisors (410318797579).

2021200002101 is a wasteful number, since it uses less digits than its factorization.

2021200002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15196992523.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021200002101 its reverse (1012000021202), we get a palindrome (3033200023303).

The spelling of 2021200002101 in words is "two trillion, twenty-one billion, two hundred million, two thousand, one hundred one".