2010020111291 has 2 divisors, whose sum is σ = 2010020111292. Its totient is φ = 2010020111290.

The previous prime is 2010020111279. The next prime is 2010020111311. The reversal of 2010020111291 is 1921110200102.

It is an a-pointer prime, because the next prime (2010020111311) can be obtained adding 2010020111291 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010020111291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010020111791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010055645 + 1005010055646.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010055646).

Almost surely, 2^{2010020111291} is an apocalyptic number.

2010020111291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020111291 is an equidigital number, since it uses as much as digits as its factorization.

2010020111291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 2010020111291 its reverse (1921110200102), we get a palindrome (3931130311393).

The spelling of 2010020111291 in words is "two trillion, ten billion, twenty million, one hundred eleven thousand, two hundred ninety-one".