1111021201101 has 64 divisors (see below), whose sum is σ = 1736744841216. Its totient is φ = 618704486400.

The previous prime is 1111021201097. The next prime is 1111021201127. The reversal of 1111021201101 is 1011021201111.

It is not a de Polignac number, because 1111021201101 - 2² = 1111021201097 is a prime.

It is a super-2 number, since 2×1111021201101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111021201001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50186431 + ... + 50208563.

It is an arithmetic number, because the mean of its divisors is an integer number (27136638144).

Almost surely, 2^{1111021201101} is an apocalyptic number.

It is an amenable number.

1111021201101 is a deficient number, since it is larger than the sum of its proper divisors (625723640115).

1111021201101 is a wasteful number, since it uses less digits than its factorization.

1111021201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22602.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111021201101 its reverse (1011021201111), we get a palindrome (2122042402212).

The spelling of 1111021201101 in words is "one trillion, one hundred eleven billion, twenty-one million, two hundred one thousand, one hundred one".