11012199901 has 2 divisors, whose sum is σ = 11012199902. Its totient is φ = 11012199900.

The previous prime is 11012199859. The next prime is 11012199907. The reversal of 11012199901 is 10999121011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8859703876 + 2152496025 = 94126^2 + 46395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012199901 - 2⁷ = 11012199773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012199907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506099950 + 5506099951.

It is an arithmetic number, because the mean of its divisors is an integer number (5506099951).

Almost surely, 2^11012199901 is an apocalyptic number.

It is an amenable number.

11012199901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012199901 is an equidigital number, since it uses as much as digits as its factorization.

11012199901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 34.

It can be divided in two parts, 11012199 and 901, that multiplied together give a palindrome (9921991299).

The spelling of 11012199901 in words is "eleven billion, twelve million, one hundred ninety-nine thousand, nine hundred one".