2112010010221 has 2 divisors, whose sum is σ = 2112010010222. Its totient is φ = 2112010010220.

The previous prime is 2112010010141. The next prime is 2112010010251. The reversal of 2112010010221 is 1220100102112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1356901149321 + 755108860900 = 1164861^2 + 868970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112010010221 - 2⁷ = 2112010010093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112010010251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056005005110 + 1056005005111.

It is an arithmetic number, because the mean of its divisors is an integer number (1056005005111).

Almost surely, 2^{2112010010221} is an apocalyptic number.

It is an amenable number.

2112010010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112010010221 is an equidigital number, since it uses as much as digits as its factorization.

2112010010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112010010221 its reverse (1220100102112), we get a palindrome (3332110112333).

The spelling of 2112010010221 in words is "two trillion, one hundred twelve billion, ten million, ten thousand, two hundred twenty-one".