1111021011213 has 8 divisors (see below), whose sum is σ = 1481538726528. Its totient is φ = 740591985024.

The previous prime is 1111021011209. The next prime is 1111021011239. The reversal of 1111021011213 is 3121101201111.

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

It is not a de Polignac number, because 1111021011213 - 2² = 1111021011209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111021011192 and 1111021011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111021011613) 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, 22143045 + ... + 22193162.

It is an arithmetic number, because the mean of its divisors is an integer number (185192340816).

Almost surely, 2^{1111021011213} is an apocalyptic number.

It is an amenable number.

1111021011213 is a deficient number, since it is larger than the sum of its proper divisors (370517715315).

1111021011213 is an equidigital number, since it uses as much as digits as its factorization.

1111021011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44344563.

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

Adding to 1111021011213 its reverse (3121101201111), we get a palindrome (4232122212324).

The spelling of 1111021011213 in words is "one trillion, one hundred eleven billion, twenty-one million, eleven thousand, two hundred thirteen".