1111021121113 has 8 divisors (see below), whose sum is σ = 1139496564096. Its totient is φ = 1082665575600.

The previous prime is 1111021121083. The next prime is 1111021121141. The reversal of 1111021121113 is 3111211201111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1111021121113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111021121213) 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, 29955598 + ... + 29992663.

It is an arithmetic number, because the mean of its divisors is an integer number (142437070512).

Almost surely, 2^{1111021121113} is an apocalyptic number.

It is an amenable number.

1111021121113 is a deficient number, since it is larger than the sum of its proper divisors (28475442983).

1111021121113 is an equidigital number, since it uses as much as digits as its factorization.

1111021121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59948735.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1111021121113 its reverse (3111211201111), we get a palindrome (4222232322224).

The spelling of 1111021121113 in words is "one trillion, one hundred eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred thirteen".