121211338 has 8 divisors (see below), whose sum is σ = 182089188. Its totient is φ = 60514944.

The previous prime is 121211323. The next prime is 121211347. The reversal of 121211338 is 833112121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120406729 + 804609 = 10973^2 + 897^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43681 + ... + 46372.

Almost surely, 2^121211338 is an apocalyptic number.

121211338 is a deficient number, since it is larger than the sum of its proper divisors (60877850).

121211338 is an equidigital number, since it uses as much as digits as its factorization.

121211338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90728.

The product of its digits is 288, while the sum is 22.

The square root of 121211338 is about 11009.6020818193. The cubic root of 121211338 is about 494.8965372307.

Adding to 121211338 its reverse (833112121), we get a palindrome (954323459).

The spelling of 121211338 in words is "one hundred twenty-one million, two hundred eleven thousand, three hundred thirty-eight".