2020010122221 has 32 divisors (see below), whose sum is σ = 3315328493568. Its totient is φ = 1065358388160.

The previous prime is 2020010122213. The next prime is 2020010122231. The reversal of 2020010122221 is 1222210100202.

It is not a de Polignac number, because 2020010122221 - 2³ = 2020010122213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020010122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020010122231) 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, 1584970 + ... + 2559716.

It is an arithmetic number, because the mean of its divisors is an integer number (103604015424).

Almost surely, 2^{2020010122221} is an apocalyptic number.

2020010122221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020010122221 is a deficient number, since it is larger than the sum of its proper divisors (1295318371347).

2020010122221 is a wasteful number, since it uses less digits than its factorization.

2020010122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982361.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020010122221 its reverse (1222210100202), we get a palindrome (3242220222423).

The spelling of 2020010122221 in words is "two trillion, twenty billion, ten million, one hundred twenty-two thousand, two hundred twenty-one".