2142401122 has 4 divisors (see below), whose sum is σ = 3213601686. Its totient is φ = 1071200560.

The previous prime is 2142401113. The next prime is 2142401161. The reversal of 2142401122 is 2211042412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1789374601 + 353026521 = 42301^2 + 18789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2142401122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535600279 + ... + 535600282.

Almost surely, 2^2142401122 is an apocalyptic number.

2142401122 is a deficient number, since it is larger than the sum of its proper divisors (1071200564).

2142401122 is a wasteful number, since it uses less digits than its factorization.

2142401122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071200563.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2142401122 is about 46286.0791383327. The cubic root of 2142401122 is about 1289.1405291958.

Adding to 2142401122 its reverse (2211042412), we get a palindrome (4353443534).

It can be divided in two parts, 214 and 2401122, that added together give a triangular number (2401336 = T₂₁₉₁).

The spelling of 2142401122 in words is "two billion, one hundred forty-two million, four hundred one thousand, one hundred twenty-two".