2042121131 has 8 divisors (see below), whose sum is σ = 2111208864. Its totient is φ = 1973764800.

The previous prime is 2042121119. The next prime is 2042121143. The reversal of 2042121131 is 1311212402.

It is an interprime number because it is at equal distance from previous prime (2042121119) and next prime (2042121143).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042121131 is a prime.

It is a super-2 number, since 2×2042121131² = 8340517427353438322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042121161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177170 + ... + 188343.

It is an arithmetic number, because the mean of its divisors is an integer number (263901108).

Almost surely, 2^2042121131 is an apocalyptic number.

2042121131 is a deficient number, since it is larger than the sum of its proper divisors (69087733).

2042121131 is a wasteful number, since it uses less digits than its factorization.

2042121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365701.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2042121131 is about 45189.8343767711. The cubic root of 2042121131 is about 1268.7045568717.

Adding to 2042121131 its reverse (1311212402), we get a palindrome (3353333533).

The spelling of 2042121131 in words is "two billion, forty-two million, one hundred twenty-one thousand, one hundred thirty-one".