2020011221001 has 4 divisors (see below), whose sum is σ = 2693348294672. Its totient is φ = 1346674147332.

The previous prime is 2020011220987. The next prime is 2020011221029. The reversal of 2020011221001 is 1001221100202.

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 not a de Polignac number, because 2020011221001 - 2⁶ = 2020011220937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020011221051) 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, 336668536831 + ... + 336668536836.

It is an arithmetic number, because the mean of its divisors is an integer number (673337073668).

Almost surely, 2^{2020011221001} is an apocalyptic number.

It is an amenable number.

2020011221001 is a deficient number, since it is larger than the sum of its proper divisors (673337073671).

2020011221001 is an equidigital number, since it uses as much as digits as its factorization.

2020011221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673337073670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2020011221001 its reverse (1001221100202), we get a palindrome (3021232321203).

The spelling of 2020011221001 in words is "two trillion, twenty billion, eleven million, two hundred twenty-one thousand, one".