2102142122 has 8 divisors (see below), whose sum is σ = 3164849472. Its totient is φ = 1047192300.

The previous prime is 2102142103. The next prime is 2102142131. The reversal of 2102142122 is 2212412012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2102142122.

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, 1938704 + ... + 1939787.

It is an arithmetic number, because the mean of its divisors is an integer number (395606184).

Almost surely, 2^2102142122 is an apocalyptic number.

2102142122 is a deficient number, since it is larger than the sum of its proper divisors (1062707350).

2102142122 is a wasteful number, since it uses less digits than its factorization.

2102142122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878764.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2102142122 is about 45849.1234594512. The cubic root of 2102142122 is about 1281.0144387341.

Adding to 2102142122 its reverse (2212412012), we get a palindrome (4314554134).

The spelling of 2102142122 in words is "two billion, one hundred two million, one hundred forty-two thousand, one hundred twenty-two".