1021113224231 has 8 divisors (see below), whose sum is σ = 1046089661904. Its totient is φ = 996140178880.

The previous prime is 1021113224227. The next prime is 1021113224249. The reversal of 1021113224231 is 1324223111201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021113224231 - 2² = 1021113224227 is a prime.

It is a super-2 number, since 2×1021113224231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021113224197 and 1021113224206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021113224221) 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, 233321 + ... + 1447986.

It is an arithmetic number, because the mean of its divisors is an integer number (130761207738).

Almost surely, 2^{1021113224231} is an apocalyptic number.

1021113224231 is a deficient number, since it is larger than the sum of its proper divisors (24976437673).

1021113224231 is a wasteful number, since it uses less digits than its factorization.

1021113224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696161.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1021113224231 its reverse (1324223111201), we get a palindrome (2345336335432).

The spelling of 1021113224231 in words is "one trillion, twenty-one billion, one hundred thirteen million, two hundred twenty-four thousand, two hundred thirty-one".