2122121022122 has 8 divisors (see below), whose sum is σ = 3183187719972. Its totient is φ = 1061058448800.

The previous prime is 2122121022089. The next prime is 2122121022139. The reversal of 2122121022122 is 2212201212212.

It can be written as a sum of positive squares in 2 ways, for example, as 1607212882081 + 514908140041 = 1267759^2 + 717571^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2122121022094 and 2122121022103.

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, 1430222 + ... + 2507942.

Almost surely, 2^{2122121022122} is an apocalyptic number.

2122121022122 is a deficient number, since it is larger than the sum of its proper divisors (1061066697850).

2122121022122 is a wasteful number, since it uses less digits than its factorization.

2122121022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062264.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122121022122 its reverse (2212201212212), we get a palindrome (4334322234334).

The spelling of 2122121022122 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-two".