2122020231 has 16 divisors (see below), whose sum is σ = 2902679808. Its totient is φ = 1378123200.

The previous prime is 2122020217. The next prime is 2122020253. The reversal of 2122020231 is 1320202212.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2122020231 is a prime.

It is a super-2 number, since 2×2122020231² = 9005939721546586722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2122020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122020281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72510 + ... + 97476.

It is an arithmetic number, because the mean of its divisors is an integer number (181417488).

Almost surely, 2^2122020231 is an apocalyptic number.

2122020231 is a deficient number, since it is larger than the sum of its proper divisors (780659577).

2122020231 is a wasteful number, since it uses less digits than its factorization.

2122020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25702.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2122020231 is about 46065.3908156655. The cubic root of 2122020231 is about 1285.0395867631.

Adding to 2122020231 its reverse (1320202212), we get a palindrome (3442222443).

The spelling of 2122020231 in words is "two billion, one hundred twenty-two million, twenty thousand, two hundred thirty-one".