11121252011 has 2 divisors, whose sum is σ = 11121252012. Its totient is φ = 11121252010.

The previous prime is 11121251993. The next prime is 11121252029. The reversal of 11121252011 is 11025212111.

It is a balanced prime because it is at equal distance from previous prime (11121251993) and next prime (11121252029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121252011 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121252061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560626005 + 5560626006.

It is an arithmetic number, because the mean of its divisors is an integer number (5560626006).

Almost surely, 2^11121252011 is an apocalyptic number.

11121252011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121252011 is an equidigital number, since it uses as much as digits as its factorization.

11121252011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11121252011 its reverse (11025212111), we get a palindrome (22146464122).

The spelling of 11121252011 in words is "eleven billion, one hundred twenty-one million, two hundred fifty-two thousand, eleven".