121621114 has 16 divisors (see below), whose sum is σ = 190203552. Its totient is φ = 58273488.

The previous prime is 121621067. The next prime is 121621121. The reversal of 121621114 is 411126121.

It is a junction number, because it is equal to n+sod(n) for n = 121621091 and 121621100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8784 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (11887722).

Almost surely, 2^121621114 is an apocalyptic number.

121621114 is a deficient number, since it is larger than the sum of its proper divisors (68582438).

121621114 is a wasteful number, since it uses less digits than its factorization.

121621114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26781.

The product of its digits is 96, while the sum is 19.

The square root of 121621114 is about 11028.1963167147. The cubic root of 121621114 is about 495.4536045402.

Adding to 121621114 its reverse (411126121), we get a palindrome (532747235).

The spelling of 121621114 in words is "one hundred twenty-one million, six hundred twenty-one thousand, one hundred fourteen".