2212100001001 has 32 divisors (see below), whose sum is σ = 2482507948032. Its totient is φ = 1953666000000.

The previous prime is 2212100000987. The next prime is 2212100001077. The reversal of 2212100001001 is 1001000012122.

It is not a de Polignac number, because 2212100001001 - 2⁵ = 2212100000969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212100001901) 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, 309337776 + ... + 309344926.

It is an arithmetic number, because the mean of its divisors is an integer number (77578373376).

Almost surely, 2^{2212100001001} is an apocalyptic number.

It is an amenable number.

2212100001001 is a deficient number, since it is larger than the sum of its proper divisors (270407947031).

2212100001001 is a wasteful number, since it uses less digits than its factorization.

2212100001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2212100001001 its reverse (1001000012122), we get a palindrome (3213100013123).

The spelling of 2212100001001 in words is "two trillion, two hundred twelve billion, one hundred million, one thousand, one".