10111121011 has 32 divisors (see below), whose sum is σ = 10896612480. Its totient is φ = 9361465344.

The previous prime is 10111121003. The next prime is 10111121039. The reversal of 10111121011 is 11012111101.

It is a cyclic number.

It is not a de Polignac number, because 10111121011 - 2³ = 10111121003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111121051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25992405 + ... + 25992793.

It is an arithmetic number, because the mean of its divisors is an integer number (340519140).

Almost surely, 2^10111121011 is an apocalyptic number.

10111121011 is a deficient number, since it is larger than the sum of its proper divisors (785491469).

10111121011 is a wasteful number, since it uses less digits than its factorization.

10111121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10111121011 its reverse (11012111101), we get a palindrome (21123232112).

The spelling of 10111121011 in words is "ten billion, one hundred eleven million, one hundred twenty-one thousand, eleven".