2020221212099 has 4 divisors (see below), whose sum is σ = 2020279431240. Its totient is φ = 2020162992960.

The previous prime is 2020221212083. The next prime is 2020221212111. The reversal of 2020221212099 is 9902121220202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020221212099 - 2⁴ = 2020221212083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020221212029) 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, 29057489 + ... + 29126930.

It is an arithmetic number, because the mean of its divisors is an integer number (505069857810).

Almost surely, 2^{2020221212099} is an apocalyptic number.

2020221212099 is a deficient number, since it is larger than the sum of its proper divisors (58219141).

2020221212099 is an equidigital number, since it uses as much as digits as its factorization.

2020221212099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58219140.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 2020221212099 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred twelve thousand, ninety-nine".