2110212121 has 8 divisors (see below), whose sum is σ = 2122560000. Its totient is φ = 2097878160.

The previous prime is 2110212107. The next prime is 2110212127. The reversal of 2110212121 is 1212120112.

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 2110212121 - 2¹³ = 2110203929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110212127) 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, 523050 + ... + 527068.

It is an arithmetic number, because the mean of its divisors is an integer number (265320000).

Almost surely, 2^2110212121 is an apocalyptic number.

It is an amenable number.

2110212121 is a deficient number, since it is larger than the sum of its proper divisors (12347879).

2110212121 is a wasteful number, since it uses less digits than its factorization.

2110212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2110212121 is about 45937.0451923064. The cubic root of 2110212121 is about 1282.6515917059.

Adding to 2110212121 its reverse (1212120112), we get a palindrome (3322332233).

The spelling of 2110212121 in words is "two billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-one".