3122121101 has 4 divisors (see below), whose sum is σ = 3405950304. Its totient is φ = 2838291900.

The previous prime is 3122121091. The next prime is 3122121109. The reversal of 3122121101 is 1011212213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3122121101 - 2¹⁴ = 3122104717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141914585 + ... + 141914606.

It is an arithmetic number, because the mean of its divisors is an integer number (851487576).

Almost surely, 2^3122121101 is an apocalyptic number.

It is an amenable number.

3122121101 is a deficient number, since it is larger than the sum of its proper divisors (283829203).

3122121101 is a wasteful number, since it uses less digits than its factorization.

3122121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283829202.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 3122121101 is about 55875.9438488514. The cubic root of 3122121101 is about 1461.5597737426.

Adding to 3122121101 its reverse (1011212213), we get a palindrome (4133333314).

It can be divided in two parts, 312212 and 1101, that added together give a palindrome (313313).

The spelling of 3122121101 in words is "three billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred one".