121102201 has 8 divisors (see below), whose sum is σ = 132274944. Its totient is φ = 109956720.

The previous prime is 121102171. The next prime is 121102243. The reversal of 121102201 is 102201121.

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

It is a cyclic number.

It is not a de Polignac number, because 121102201 - 2¹⁷ = 120971129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102001) 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, 3115 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (16534368).

Almost surely, 2^121102201 is an apocalyptic number.

121102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121102201 is a deficient number, since it is larger than the sum of its proper divisors (11172743).

121102201 is a wasteful number, since it uses less digits than its factorization.

121102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 121102201 is about 11004.6445194745. The cubic root of 121102201 is about 494.7479599804.

Adding to 121102201 its reverse (102201121), we get a palindrome (223303322).

It can be divided in two parts, 121 and 102201, that multiplied together give a palindrome (12366321).

The spelling of 121102201 in words is "one hundred twenty-one million, one hundred two thousand, two hundred one".