2142012021122 has 8 divisors (see below), whose sum is σ = 3241451819916. Its totient is φ = 1061528081152.

The previous prime is 2142012021103. The next prime is 2142012021133. The reversal of 2142012021122 is 2211202102412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2045011541521 + 97000479601 = 1430039^2 + 311449^2 .

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 = 2142012021094 and 2142012021103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738964423 + ... + 4738964874.

Almost surely, 2^{2142012021122} is an apocalyptic number.

2142012021122 is a deficient number, since it is larger than the sum of its proper divisors (1099439798794).

2142012021122 is a wasteful number, since it uses less digits than its factorization.

2142012021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477929412.

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

Adding to 2142012021122 its reverse (2211202102412), we get a palindrome (4353214123534).

The spelling of 2142012021122 in words is "two trillion, one hundred forty-two billion, twelve million, twenty-one thousand, one hundred twenty-two".