1011221311101 has 8 divisors (see below), whose sum is σ = 1348657638720. Its totient is φ = 673966262112.

The previous prime is 1011221311081. The next prime is 1011221311151. The reversal of 1011221311101 is 1011131221101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011221311101 - 2¹³ = 1011221302909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011221311151) 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, 45306640 + ... + 45328953.

It is an arithmetic number, because the mean of its divisors is an integer number (168582204840).

Almost surely, 2^{1011221311101} is an apocalyptic number.

It is an amenable number.

1011221311101 is a deficient number, since it is larger than the sum of its proper divisors (337436327619).

1011221311101 is an equidigital number, since it uses as much as digits as its factorization.

1011221311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90639315.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1011221311101 its reverse (1011131221101), we get a palindrome (2022352532202).

The spelling of 1011221311101 in words is "one trillion, eleven billion, two hundred twenty-one million, three hundred eleven thousand, one hundred one".