1011132233021 has 16 divisors (see below), whose sum is σ = 1043760888576. Its totient is φ = 978912000000.

The previous prime is 1011132233009. The next prime is 1011132233029. The reversal of 1011132233021 is 1203322311101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011132233021 - 2¹⁴ = 1011132216637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011132232984 and 1011132233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011132233029) 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, 2607581 + ... + 2970141.

It is an arithmetic number, because the mean of its divisors is an integer number (65235055536).

Almost surely, 2^{1011132233021} is an apocalyptic number.

It is an amenable number.

1011132233021 is a deficient number, since it is larger than the sum of its proper divisors (32628655555).

1011132233021 is a wasteful number, since it uses less digits than its factorization.

1011132233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363124.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011132233021 its reverse (1203322311101), we get a palindrome (2214454544122).

The spelling of 1011132233021 in words is "one trillion, eleven billion, one hundred thirty-two million, two hundred thirty-three thousand, twenty-one".