1010121322231 has 4 divisors (see below), whose sum is σ = 1154424368272. Its totient is φ = 865818276192.

The previous prime is 1010121322213. The next prime is 1010121322237. The reversal of 1010121322231 is 1322231210101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010121322231 - 2⁹ = 1010121321719 is a prime.

It is a super-2 number, since 2×1010121322231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010121322199 and 1010121322208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121322237) 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, 72151523010 + ... + 72151523023.

It is an arithmetic number, because the mean of its divisors is an integer number (288606092068).

Almost surely, 2^{1010121322231} is an apocalyptic number.

1010121322231 is a deficient number, since it is larger than the sum of its proper divisors (144303046041).

1010121322231 is an equidigital number, since it uses as much as digits as its factorization.

1010121322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144303046040.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1010121322231 its reverse (1322231210101), we get a palindrome (2332352532332).

The spelling of 1010121322231 in words is "one trillion, ten billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty-one".