11021200010291 has 2 divisors, whose sum is σ = 11021200010292. Its totient is φ = 11021200010290.

The previous prime is 11021200010267. The next prime is 11021200010297. The reversal of 11021200010291 is 19201000212011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11021200010291 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021200010297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510600005145 + 5510600005146.

It is an arithmetic number, because the mean of its divisors is an integer number (5510600005146).

Almost surely, 2^{11021200010291} is an apocalyptic number.

11021200010291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021200010291 is an equidigital number, since it uses as much as digits as its factorization.

11021200010291 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.

The spelling of 11021200010291 in words is "eleven trillion, twenty-one billion, two hundred million, ten thousand, two hundred ninety-one".