4021121003 has 8 divisors (see below), whose sum is σ = 4072857600. Its totient is φ = 3969462888.

The previous prime is 4021120991. The next prime is 4021121017. The reversal of 4021121003 is 3001211204.

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 4021121003 - 2²² = 4016926699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021121053) 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, 87218 + ... + 125096.

It is an arithmetic number, because the mean of its divisors is an integer number (509107200).

Almost surely, 2^4021121003 is an apocalyptic number.

4021121003 is a deficient number, since it is larger than the sum of its proper divisors (51736597).

4021121003 is a wasteful number, since it uses less digits than its factorization.

4021121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39241.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4021121003 is about 63412.3095542183. The cubic root of 4021121003 is about 1590.1901072745.

Adding to 4021121003 its reverse (3001211204), we get a palindrome (7022332207).

The spelling of 4021121003 in words is "four billion, twenty-one million, one hundred twenty-one thousand, three".