2020001221101 has 8 divisors (see below), whose sum is σ = 2693478627424. Its totient is φ = 1346595647760.

The previous prime is 2020001221061. The next prime is 2020001221151. The reversal of 2020001221101 is 1011221000202.

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

It is not a de Polignac number, because 2020001221101 - 2¹¹ = 2020001219053 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 (2020001221151) 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, 17892595 + ... + 18005136.

It is an arithmetic number, because the mean of its divisors is an integer number (336684828428).

Almost surely, 2^{2020001221101} is an apocalyptic number.

It is an amenable number.

2020001221101 is a deficient number, since it is larger than the sum of its proper divisors (673477406323).

2020001221101 is a wasteful number, since it uses less digits than its factorization.

2020001221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35916491.

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

Adding to 2020001221101 its reverse (1011221000202), we get a palindrome (3031222221303).

The spelling of 2020001221101 in words is "two trillion, twenty billion, one million, two hundred twenty-one thousand, one hundred one".