121214011 has 4 divisors (see below), whose sum is σ = 121380112. Its totient is φ = 121047912.

The previous prime is 121214003. The next prime is 121214017. The reversal of 121214011 is 110412121.

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

It is a cyclic number.

It is not a de Polignac number, because 121214011 - 2³ = 121214003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213982 and 121214000.

It is not an unprimeable number, because it can be changed into a prime (121214017) 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, 81951 + ... + 83416.

It is an arithmetic number, because the mean of its divisors is an integer number (30345028).

Almost surely, 2^121214011 is an apocalyptic number.

121214011 is a deficient number, since it is larger than the sum of its proper divisors (166101).

121214011 is an equidigital number, since it uses as much as digits as its factorization.

121214011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166100.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 121214011 is about 11009.7234751832. The cubic root of 121214011 is about 494.9001750882.

Adding to 121214011 its reverse (110412121), we get a palindrome (231626132).

The spelling of 121214011 in words is "one hundred twenty-one million, two hundred fourteen thousand, eleven".