1051343221121 has 8 divisors (see below), whose sum is σ = 1053121398144. Its totient is φ = 1049565686400.

The previous prime is 1051343221099. The next prime is 1051343221127. The reversal of 1051343221121 is 1211223431501.

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 1051343221121 - 2⁶ = 1051343221057 is a prime.

It is a super-2 number, since 2×1051343221121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051343221127) 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, 3174260 + ... + 3489786.

It is an arithmetic number, because the mean of its divisors is an integer number (131640174768).

Almost surely, 2^{1051343221121} is an apocalyptic number.

It is an amenable number.

1051343221121 is a deficient number, since it is larger than the sum of its proper divisors (1778177023).

1051343221121 is an equidigital number, since it uses as much as digits as its factorization.

1051343221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321151.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 1051343221121 its reverse (1211223431501), we get a palindrome (2262566652622).

The spelling of 1051343221121 in words is "one trillion, fifty-one billion, three hundred forty-three million, two hundred twenty-one thousand, one hundred twenty-one".