1111011222101 has 4 divisors (see below), whose sum is σ = 1212012242304. Its totient is φ = 1010010201900.

The previous prime is 1111011222077. The next prime is 1111011222133. The reversal of 1111011222101 is 1012221101111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111011222101 - 2⁶ = 1111011222037 is a prime.

It is a super-3 number, since 3×1111011222101³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011222301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500510085 + ... + 50500510106.

It is an arithmetic number, because the mean of its divisors is an integer number (303003060576).

Almost surely, 2^{1111011222101} is an apocalyptic number.

1111011222101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111011222101 is a deficient number, since it is larger than the sum of its proper divisors (101001020203).

1111011222101 is a wasteful number, since it uses less digits than its factorization.

1111011222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001020202.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111011222101 its reverse (1012221101111), we get a palindrome (2123232323212).

It can be divided in two parts, 11110 and 11222101, that added together give a palindrome (11233211).

The spelling of 1111011222101 in words is "one trillion, one hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred one".