2021200220001 has 32 divisors (see below), whose sum is σ = 2777631061120. Its totient is φ = 1306385542656.

The previous prime is 2021200219999. The next prime is 2021200220009. The reversal of 2021200220001 is 1000220021202.

It is not a de Polignac number, because 2021200220001 - 2¹ = 2021200219999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021200220009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37460295 + ... + 37514211.

It is an arithmetic number, because the mean of its divisors is an integer number (86800970660).

Almost surely, 2^{2021200220001} is an apocalyptic number.

It is an amenable number.

2021200220001 is a deficient number, since it is larger than the sum of its proper divisors (756430841119).

2021200220001 is a wasteful number, since it uses less digits than its factorization.

2021200220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55153.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021200220001 its reverse (1000220021202), we get a palindrome (3021420241203).

The spelling of 2021200220001 in words is "two trillion, twenty-one billion, two hundred million, two hundred twenty thousand, one".