121711011 has 8 divisors (see below), whose sum is σ = 163122960. Its totient is φ = 80719872.

The previous prime is 121711003. The next prime is 121711013. The reversal of 121711011 is 110117121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121711011 - 2³ = 121711003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121711013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104526 + ... + 105683.

It is an arithmetic number, because the mean of its divisors is an integer number (20390370).

Almost surely, 2^121711011 is an apocalyptic number.

121711011 is a deficient number, since it is larger than the sum of its proper divisors (41411949).

121711011 is a wasteful number, since it uses less digits than its factorization.

121711011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210405.

The product of its (nonzero) digits is 14, while the sum is 15.

The square root of 121711011 is about 11032.2713436536. The cubic root of 121711011 is about 495.5756470096.

Adding to 121711011 its reverse (110117121), we get a palindrome (231828132).

It can be divided in two parts, 1217110 and 11, that added together give a palindrome (1217121).

The spelling of 121711011 in words is "one hundred twenty-one million, seven hundred eleven thousand, eleven".