2021422220001 has 24 divisors (see below), whose sum is σ = 2999294322024. Its totient is φ = 1310953248000.

The previous prime is 2021422219979. The next prime is 2021422220009. The reversal of 2021422220001 is 1000222241202.

2021422220001 is a `hidden beast` number, since 2 + 0 + 21 + 422 + 220 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1502732739600 + 518689480401 = 1225860^2 + 720201^2 .

It is not a de Polignac number, because 2021422220001 - 2¹¹ = 2021422217953 is a prime.

It is a super-5 number, since 5×2021422220001⁵ (a number of 63 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2021422220009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1280085 + ... + 2383581.

It is an arithmetic number, because the mean of its divisors is an integer number (124970596751).

Almost surely, 2^{2021422220001} is an apocalyptic number.

It is an amenable number.

2021422220001 is a deficient number, since it is larger than the sum of its proper divisors (977872102023).

2021422220001 is a wasteful number, since it uses less digits than its factorization.

2021422220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109041 (or 1109038 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2021422220001 its reverse (1000222241202), we get a palindrome (3021644461203).

The spelling of 2021422220001 in words is "two trillion, twenty-one billion, four hundred twenty-two million, two hundred twenty thousand, one".