2042231012421 has 16 divisors (see below), whose sum is σ = 2965126699200. Its totient is φ = 1245353211648.

The previous prime is 2042231012417. The next prime is 2042231012441. The reversal of 2042231012421 is 1242101322402.

It is not a de Polignac number, because 2042231012421 - 2² = 2042231012417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042231012391 and 2042231012400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042231012441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617733076 + ... + 617736381.

It is an arithmetic number, because the mean of its divisors is an integer number (185320418700).

Almost surely, 2^{2042231012421} is an apocalyptic number.

It is an amenable number.

2042231012421 is a deficient number, since it is larger than the sum of its proper divisors (922895686779).

2042231012421 is a wasteful number, since it uses less digits than its factorization.

2042231012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235469508.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2042231012421 its reverse (1242101322402), we get a palindrome (3284332334823).

The spelling of 2042231012421 in words is "two trillion, forty-two billion, two hundred thirty-one million, twelve thousand, four hundred twenty-one".