2122051042 has 8 divisors (see below), whose sum is σ = 3235258332. Its totient is φ = 1043631600.

The previous prime is 2122051039. The next prime is 2122051049. The reversal of 2122051042 is 2401502212.

It can be written as a sum of positive squares in 2 ways, for example, as 2062158921 + 59892121 = 45411^2 + 7739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2122051049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8696809 + ... + 8697052.

Almost surely, 2^2122051042 is an apocalyptic number.

2122051042 is a deficient number, since it is larger than the sum of its proper divisors (1113207290).

2122051042 is a wasteful number, since it uses less digits than its factorization.

2122051042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17393924.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2122051042 is about 46065.7252412246. The cubic root of 2122051042 is about 1285.0458061765.

Adding to 2122051042 its reverse (2401502212), we get a palindrome (4523553254).

The spelling of 2122051042 in words is "two billion, one hundred twenty-two million, fifty-one thousand, forty-two".