1221014201 has 8 divisors (see below), whose sum is σ = 1332739008. Its totient is φ = 1109410000.

The previous prime is 1221014183. The next prime is 1221014213. The reversal of 1221014201 is 1024101221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1221014201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1221014261) 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, 8285 + ... + 50106.

It is an arithmetic number, because the mean of its divisors is an integer number (166592376).

Almost surely, 2^1221014201 is an apocalyptic number.

1221014201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1221014201 is a deficient number, since it is larger than the sum of its proper divisors (111724807).

1221014201 is a wasteful number, since it uses less digits than its factorization.

1221014201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60303.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1221014201 is about 34943.0136221820. The cubic root of 1221014201 is about 1068.8257421053.

Adding to 1221014201 its reverse (1024101221), we get a palindrome (2245115422).

The spelling of 1221014201 in words is "one billion, two hundred twenty-one million, fourteen thousand, two hundred one".