11010121201 has 4 divisors (see below), whose sum is σ = 11119132404. Its totient is φ = 10901110000.

The previous prime is 11010121163. The next prime is 11010121249. The reversal of 11010121201 is 10212101011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7426302976 + 3583818225 = 86176^2 + 59865^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010121201 - 2³³ = 2420186609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010121601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54505450 + ... + 54505651.

It is an arithmetic number, because the mean of its divisors is an integer number (2779783101).

Almost surely, 2^11010121201 is an apocalyptic number.

It is an amenable number.

11010121201 is a deficient number, since it is larger than the sum of its proper divisors (109011203).

11010121201 is a wasteful number, since it uses less digits than its factorization.

11010121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109011202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11010121201 its reverse (10212101011), we get a palindrome (21222222212).

The spelling of 11010121201 in words is "eleven billion, ten million, one hundred twenty-one thousand, two hundred one".