2102211031 has 8 divisors (see below), whose sum is σ = 2111076864. Its totient is φ = 2093359320.

The previous prime is 2102211011. The next prime is 2102211037. The reversal of 2102211031 is 1301122012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102211031 is a prime.

It is a super-2 number, since 2×2102211031² = 8838582437716165922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102211037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377590 + ... + 383116.

It is an arithmetic number, because the mean of its divisors is an integer number (263884608).

Almost surely, 2^2102211031 is an apocalyptic number.

2102211031 is a deficient number, since it is larger than the sum of its proper divisors (8865833).

2102211031 is a wasteful number, since it uses less digits than its factorization.

2102211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2102211031 is about 45849.8749289461. The cubic root of 2102211031 is about 1281.0284359577.

Adding to 2102211031 its reverse (1301122012), we get a palindrome (3403333043).

The spelling of 2102211031 in words is "two billion, one hundred two million, two hundred eleven thousand, thirty-one".