3112211101 has 2 divisors, whose sum is σ = 3112211102. Its totient is φ = 3112211100.

The previous prime is 3112211051. The next prime is 3112211143. The reversal of 3112211101 is 1011122113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2736859225 + 375351876 = 52315^2 + 19374^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112211101 - 2⁹ = 3112210589 is a prime.

It is a super-3 number, since 3×3112211101³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556105550 + 1556105551.

It is an arithmetic number, because the mean of its divisors is an integer number (1556105551).

Almost surely, 2^3112211101 is an apocalyptic number.

It is an amenable number.

3112211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112211101 is an equidigital number, since it uses as much as digits as its factorization.

3112211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 3112211101 is about 55787.1947762208. The cubic root of 3112211101 is about 1460.0117439788.

Adding to 3112211101 its reverse (1011122113), we get a palindrome (4123333214).

The spelling of 3112211101 in words is "three billion, one hundred twelve million, two hundred eleven thousand, one hundred one".