1101220232021 has 64 divisors (see below), whose sum is σ = 1448214835200. Its totient is φ = 813605990400.

The previous prime is 1101220231999. The next prime is 1101220232051. The reversal of 1101220232021 is 1202320221011.

It is not a de Polignac number, because 1101220232021 - 2⁶ = 1101220231957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220232051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176786135 + ... + 176792363.

It is an arithmetic number, because the mean of its divisors is an integer number (22628356800).

Almost surely, 2^{1101220232021} is an apocalyptic number.

It is an amenable number.

1101220232021 is a deficient number, since it is larger than the sum of its proper divisors (346994603179).

1101220232021 is a wasteful number, since it uses less digits than its factorization.

1101220232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1101220232021 its reverse (1202320221011), we get a palindrome (2303540453032).

The spelling of 1101220232021 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred thirty-two thousand, twenty-one".