1021222321133 has 8 divisors (see below), whose sum is σ = 1167234581952. Its totient is φ = 875240899776.

The previous prime is 1021222321129. The next prime is 1021222321157. The reversal of 1021222321133 is 3311232221201.

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 1021222321133 - 2² = 1021222321129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021222321099 and 1021222321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021222321183) 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, 7638860 + ... + 7771397.

It is an arithmetic number, because the mean of its divisors is an integer number (145904322744).

Almost surely, 2^{1021222321133} is an apocalyptic number.

It is an amenable number.

1021222321133 is a deficient number, since it is larger than the sum of its proper divisors (146012260819).

1021222321133 is an equidigital number, since it uses as much as digits as its factorization.

1021222321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419731.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1021222321133 its reverse (3311232221201), we get a palindrome (4332454542334).

The spelling of 1021222321133 in words is "one trillion, twenty-one billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-three".