121022666 has 8 divisors (see below), whose sum is σ = 191088480. Its totient is φ = 57326508.

The previous prime is 121022663. The next prime is 121022689. The reversal of 121022666 is 666220121.

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

It is not an unprimeable number, because it can be changed into a prime (121022663) 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, 1592366 + ... + 1592441.

It is an arithmetic number, because the mean of its divisors is an integer number (23886060).

Almost surely, 2^121022666 is an apocalyptic number.

121022666 is a deficient number, since it is larger than the sum of its proper divisors (70065814).

121022666 is a wasteful number, since it uses less digits than its factorization.

121022666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184828.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 121022666 is about 11001.0302244835. The cubic root of 121022666 is about 494.6396261482.

Adding to 121022666 its reverse (666220121), we get a palindrome (787242787).

The spelling of 121022666 in words is "one hundred twenty-one million, twenty-two thousand, six hundred sixty-six".