2151123022 has 8 divisors (see below), whose sum is σ = 3259949616. Its totient is φ = 1064473152.

The previous prime is 2151123017. The next prime is 2151123041. The reversal of 2151123022 is 2203211512.

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

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, 5543938 + ... + 5544325.

It is an arithmetic number, because the mean of its divisors is an integer number (407493702).

Almost surely, 2^2151123022 is an apocalyptic number.

2151123022 is a deficient number, since it is larger than the sum of its proper divisors (1108826594).

2151123022 is a wasteful number, since it uses less digits than its factorization.

2151123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088362.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2151123022 is about 46380.2007542011. The cubic root of 2151123022 is about 1290.8875613744.

Adding to 2151123022 its reverse (2203211512), we get a palindrome (4354334534).

The spelling of 2151123022 in words is "two billion, one hundred fifty-one million, one hundred twenty-three thousand, twenty-two".