2020210001021 has 16 divisors (see below), whose sum is σ = 2251928232000. Its totient is φ = 1801061008128.

The previous prime is 2020210001009. The next prime is 2020210001039. The reversal of 2020210001021 is 1201000120202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2020210001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020210000993 and 2020210001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020210009021) 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, 2024066 + ... + 2852588.

It is an arithmetic number, because the mean of its divisors is an integer number (140745514500).

Almost surely, 2^{2020210001021} is an apocalyptic number.

It is an amenable number.

2020210001021 is a deficient number, since it is larger than the sum of its proper divisors (231718230979).

2020210001021 is a wasteful number, since it uses less digits than its factorization.

2020210001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836108.

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

Adding to 2020210001021 its reverse (1201000120202), we get a palindrome (3221210121223).

The spelling of 2020210001021 in words is "two trillion, twenty billion, two hundred ten million, one thousand, twenty-one".