121611022 has 16 divisors (see below), whose sum is σ = 196635600. Its totient is φ = 56074752.

The previous prime is 121611011. The next prime is 121611029. The reversal of 121611022 is 220116121.

It is a junction number, because it is equal to n+sod(n) for n = 121610987 and 121611005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121611029) 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, 42798 + ... + 45550.

It is an arithmetic number, because the mean of its divisors is an integer number (12289725).

Almost surely, 2^121611022 is an apocalyptic number.

121611022 is a deficient number, since it is larger than the sum of its proper divisors (75024578).

121611022 is a wasteful number, since it uses less digits than its factorization.

121611022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 121611022 is about 11027.7387527997. The cubic root of 121611022 is about 495.4399000775.

Adding to 121611022 its reverse (220116121), we get a palindrome (341727143).

The spelling of 121611022 in words is "one hundred twenty-one million, six hundred eleven thousand, twenty-two".