1021201202231 has 8 divisors (see below), whose sum is σ = 1167416895360. Its totient is φ = 875067960888.

The previous prime is 1021201202173. The next prime is 1021201202257. The reversal of 1021201202231 is 1322021021201.

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 1021201202231 - 2¹⁸ = 1021200940087 is a prime.

It is a super-2 number, since 2×1021201202231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021201202261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20586401 + ... + 20635946.

It is an arithmetic number, because the mean of its divisors is an integer number (145927111920).

Almost surely, 2^{1021201202231} is an apocalyptic number.

1021201202231 is a deficient number, since it is larger than the sum of its proper divisors (146215693129).

1021201202231 is an equidigital number, since it uses as much as digits as its factorization.

1021201202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41225893.

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

Adding to 1021201202231 its reverse (1322021021201), we get a palindrome (2343222223432).

The spelling of 1021201202231 in words is "one trillion, twenty-one billion, two hundred one million, two hundred two thousand, two hundred thirty-one".