2001012202223 has 2 divisors, whose sum is σ = 2001012202224. Its totient is φ = 2001012202222.

The previous prime is 2001012202201. The next prime is 2001012202237. The reversal of 2001012202223 is 3222022101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001012202223 - 2¹² = 2001012198127 is a prime.

It is a super-2 number, since 2×2001012202223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001012202253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000506101111 + 1000506101112.

It is an arithmetic number, because the mean of its divisors is an integer number (1000506101112).

Almost surely, 2^{2001012202223} is an apocalyptic number.

2001012202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001012202223 is an equidigital number, since it uses as much as digits as its factorization.

2001012202223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2001012202223 its reverse (3222022101002), we get a palindrome (5223034303225).

The spelling of 2001012202223 in words is "two trillion, one billion, twelve million, two hundred two thousand, two hundred twenty-three".