1011322133221 has 16 divisors (see below), whose sum is σ = 1022146836480. Its totient is φ = 1000557025200.

The previous prime is 1011322133209. The next prime is 1011322133257. The reversal of 1011322133221 is 1223312231101.

It is a cyclic number.

It is not a de Polignac number, because 1011322133221 - 2¹³ = 1011322125029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011322133192 and 1011322133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011322133291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63362040 + ... + 63377998.

It is an arithmetic number, because the mean of its divisors is an integer number (63884177280).

Almost surely, 2^{1011322133221} is an apocalyptic number.

It is an amenable number.

1011322133221 is a deficient number, since it is larger than the sum of its proper divisors (10824703259).

1011322133221 is a wasteful number, since it uses less digits than its factorization.

1011322133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17784.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1011322133221 its reverse (1223312231101), we get a palindrome (2234634364322).

The spelling of 1011322133221 in words is "one trillion, eleven billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-one".