121122201 has 8 divisors (see below), whose sum is σ = 165861184. Its totient is φ = 78565680.

The previous prime is 121122193. The next prime is 121122269. The reversal of 121122201 is 102221121.

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

It is not a de Polignac number, because 121122201 - 2³ = 121122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122401) 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, 545485 + ... + 545706.

It is an arithmetic number, because the mean of its divisors is an integer number (20732648).

Almost surely, 2^121122201 is an apocalyptic number.

It is an amenable number.

121122201 is a deficient number, since it is larger than the sum of its proper divisors (44738983).

121122201 is a wasteful number, since it uses less digits than its factorization.

121122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091231.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121122201 is about 11005.5531891859. The cubic root of 121122201 is about 494.7751943176.

Adding to 121122201 its reverse (102221121), we get a palindrome (223343322).

The spelling of 121122201 in words is "one hundred twenty-one million, one hundred twenty-two thousand, two hundred one".