1021222111133 has 8 divisors (see below), whose sum is σ = 1167177941952. Its totient is φ = 875283019776.

The previous prime is 1021222111109. The next prime is 1021222111177. The reversal of 1021222111133 is 3311112221201.

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 1021222111133 - 2¹⁸ = 1021221848989 is a prime.

It is a super-3 number, since 3×1021222111133³ (a number of 37 digits) contains 333 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 (1021222111433) 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, 4053860 + ... + 4298397.

It is an arithmetic number, because the mean of its divisors is an integer number (145897242744).

Almost surely, 2^{1021222111133} is an apocalyptic number.

It is an amenable number.

1021222111133 is a deficient number, since it is larger than the sum of its proper divisors (145955830819).

1021222111133 is an equidigital number, since it uses as much as digits as its factorization.

1021222111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369731.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1021222111133 its reverse (3311112221201), we get a palindrome (4332334332334).

The spelling of 1021222111133 in words is "one trillion, twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred thirty-three".