2110212021 has 8 divisors (see below), whose sum is σ = 2825389440. Its totient is φ = 1400921312.

The previous prime is 2110212019. The next prime is 2110212043. The reversal of 2110212021 is 1202120112.

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 2110212021 - 2¹ = 2110212019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110211988 and 2110212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110212001) 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, 1470840 + ... + 1472273.

It is an arithmetic number, because the mean of its divisors is an integer number (353173680).

Almost surely, 2^2110212021 is an apocalyptic number.

It is an amenable number.

2110212021 is a deficient number, since it is larger than the sum of its proper divisors (715177419).

2110212021 is a wasteful number, since it uses less digits than its factorization.

2110212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943355.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2110212021 is about 45937.0441038602. The cubic root of 2110212021 is about 1282.6515714448.

Adding to 2110212021 its reverse (1202120112), we get a palindrome (3312332133).

The spelling of 2110212021 in words is "two billion, one hundred ten million, two hundred twelve thousand, twenty-one".