121146201 has 24 divisors (see below), whose sum is σ = 193523616. Its totient is φ = 72411840.

The previous prime is 121146187. The next prime is 121146211. The reversal of 121146201 is 102641121.

It is not a de Polignac number, because 121146201 - 2⁷ = 121146073 is a prime.

It is a super-3 number, since 3×121146201³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121146211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (8063484).

Almost surely, 2^121146201 is an apocalyptic number.

121146201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121146201 is a deficient number, since it is larger than the sum of its proper divisors (72377415).

121146201 is a wasteful number, since it uses less digits than its factorization.

121146201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16853 (or 16850 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 121146201 is about 11006.6434938177. The cubic root of 121146201 is about 494.8078715652.

Adding to 121146201 its reverse (102641121), we get a palindrome (223787322).

The spelling of 121146201 in words is "one hundred twenty-one million, one hundred forty-six thousand, two hundred one".