2102212331 has 8 divisors (see below), whose sum is σ = 2187116544. Its totient is φ = 2018376360.

The previous prime is 2102212327. The next prime is 2102212361. The reversal of 2102212331 is 1332122012.

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

It is a cyclic number.

It is not a de Polignac number, because 2102212331 - 2² = 2102212327 is a prime.

It is a super-2 number, since 2×2102212331² = 8838593369216907122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102212361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263045 + ... + 270918.

It is an arithmetic number, because the mean of its divisors is an integer number (273389568).

Almost surely, 2^2102212331 is an apocalyptic number.

2102212331 is a deficient number, since it is larger than the sum of its proper divisors (84904213).

2102212331 is a wasteful number, since it uses less digits than its factorization.

2102212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534121.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2102212331 is about 45849.8891056456. The cubic root of 2102212331 is about 1281.0287000188.

Adding to 2102212331 its reverse (1332122012), we get a palindrome (3434334343).

The spelling of 2102212331 in words is "two billion, one hundred two million, two hundred twelve thousand, three hundred thirty-one".