4001221203 has 8 divisors (see below), whose sum is σ = 6097099008. Its totient is φ = 2286412104.

The previous prime is 4001221199. The next prime is 4001221207. The reversal of 4001221203 is 3021221004.

It is an interprime number because it is at equal distance from previous prime (4001221199) and next prime (4001221207).

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

It is not a de Polignac number, because 4001221203 - 2² = 4001221199 is a prime.

It is a super-2 number, since 2×4001221203² = 32019542230673534418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001221207) 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, 95267151 + ... + 95267192.

It is an arithmetic number, because the mean of its divisors is an integer number (762137376).

Almost surely, 2^4001221203 is an apocalyptic number.

4001221203 is a deficient number, since it is larger than the sum of its proper divisors (2095877805).

4001221203 is a wasteful number, since it uses less digits than its factorization.

4001221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190534353.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4001221203 is about 63255.2069240154. The cubic root of 4001221203 is about 1587.5625804416.

Adding to 4001221203 its reverse (3021221004), we get a palindrome (7022442207).

The spelling of 4001221203 in words is "four billion, one million, two hundred twenty-one thousand, two hundred three".