2212131021 has 8 divisors (see below), whose sum is σ = 2961260064. Its totient is φ = 1468878000.

The previous prime is 2212130983. The next prime is 2212131041. The reversal of 2212131021 is 1201312122.

2212131021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2212131021 - 2¹¹ = 2212128973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212131041) 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, 1468126 + ... + 1469631.

It is an arithmetic number, because the mean of its divisors is an integer number (370157508).

Almost surely, 2^2212131021 is an apocalyptic number.

It is an amenable number.

2212131021 is a deficient number, since it is larger than the sum of its proper divisors (749129043).

2212131021 is a wasteful number, since it uses less digits than its factorization.

2212131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938011.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2212131021 is about 47033.2969395087. The cubic root of 2212131021 is about 1302.9775970163.

Adding to 2212131021 its reverse (1201312122), we get a palindrome (3413443143).

The spelling of 2212131021 in words is "two billion, two hundred twelve million, one hundred thirty-one thousand, twenty-one".