1111211001011 has 8 divisors (see below), whose sum is σ = 1126451585280. Its totient is φ = 1095970917312.

The previous prime is 1111211000959. The next prime is 1111211001031. The reversal of 1111211001011 is 1101001121111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111211001011 - 2³⁸ = 836333094067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111211000983 and 1111211001001.

It is not an unprimeable number, because it can be changed into a prime (1111211001031) 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, 7547045 + ... + 7692873.

It is an arithmetic number, because the mean of its divisors is an integer number (140806448160).

Almost surely, 2^{1111211001011} is an apocalyptic number.

1111211001011 is a deficient number, since it is larger than the sum of its proper divisors (15240584269).

1111211001011 is a wasteful number, since it uses less digits than its factorization.

1111211001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250285.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1111211001011 its reverse (1101001121111), we get a palindrome (2212212122122).

The spelling of 1111211001011 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one thousand, eleven".