3200022121 has 4 divisors (see below), whose sum is σ = 3200242500. Its totient is φ = 3199801744.

The previous prime is 3200022113. The next prime is 3200022127. The reversal of 3200022121 is 1212200023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3075922521 + 124099600 = 55461^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200022121 - 2³ = 3200022113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3200022127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86746 + ... + 118003.

It is an arithmetic number, because the mean of its divisors is an integer number (800060625).

Almost surely, 2^3200022121 is an apocalyptic number.

It is an amenable number.

3200022121 is a deficient number, since it is larger than the sum of its proper divisors (220379).

3200022121 is a wasteful number, since it uses less digits than its factorization.

3200022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220378.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3200022121 is about 56568.7380184497. The cubic root of 3200022121 is about 1473.6159950509.

Adding to 3200022121 its reverse (1212200023), we get a palindrome (4412222144).

The spelling of 3200022121 in words is "three billion, two hundred million, twenty-two thousand, one hundred twenty-one".