4021321101 has 32 divisors (see below), whose sum is σ = 6460200960. Its totient is φ = 2173594176.

The previous prime is 4021321097. The next prime is 4021321103. The reversal of 4021321101 is 1011231204.

It is not a de Polignac number, because 4021321101 - 2² = 4021321097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021321103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262680 + ... + 277566.

It is an arithmetic number, because the mean of its divisors is an integer number (201881280).

Almost surely, 2^4021321101 is an apocalyptic number.

It is an amenable number.

4021321101 is a deficient number, since it is larger than the sum of its proper divisors (2438879859).

4021321101 is a wasteful number, since it uses less digits than its factorization.

4021321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15593.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4021321101 is about 63413.8872881958. The cubic root of 4021321101 is about 1590.2164837154.

Adding to 4021321101 its reverse (1011231204), we get a palindrome (5032552305).

The spelling of 4021321101 in words is "four billion, twenty-one million, three hundred twenty-one thousand, one hundred one".