20110022002001 has 2 divisors, whose sum is σ = 20110022002002. Its totient is φ = 20110022002000.

The previous prime is 20110022001983. The next prime is 20110022002009. The reversal of 20110022002001 is 10020022001102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16523452659025 + 3586569342976 = 4064905^2 + 1893824^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110022002001 - 2¹⁴ = 20110021985617 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110022002009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055011001000 + 10055011001001.

It is an arithmetic number, because the mean of its divisors is an integer number (10055011001001).

Almost surely, 2^{20110022002001} is an apocalyptic number.

It is an amenable number.

20110022002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110022002001 is an equidigital number, since it uses as much as digits as its factorization.

20110022002001 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 11.

Adding to 20110022002001 its reverse (10020022001102), we get a palindrome (30130044003103).

The spelling of 20110022002001 in words is "twenty trillion, one hundred ten billion, twenty-two million, two thousand, one".