2123210102 has 8 divisors (see below), whose sum is σ = 3429800976. Its totient is φ = 979943112.

The previous prime is 2123210093. The next prime is 2123210113. The reversal of 2123210102 is 2010123212.

It is a happy number.

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

It is a super-2 number, since 2×2123210102² = 9016042274469700808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40830938 + ... + 40830989.

It is an arithmetic number, because the mean of its divisors is an integer number (428725122).

Almost surely, 2^2123210102 is an apocalyptic number.

2123210102 is a deficient number, since it is larger than the sum of its proper divisors (1306590874).

2123210102 is a wasteful number, since it uses less digits than its factorization.

2123210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81661942.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2123210102 is about 46078.3040269496. The cubic root of 2123210102 is about 1285.2797267354.

Adding to 2123210102 its reverse (2010123212), we get a palindrome (4133333314).

The spelling of 2123210102 in words is "two billion, one hundred twenty-three million, two hundred ten thousand, one hundred two".