1111201120101 has 32 divisors (see below), whose sum is σ = 1582045168000. Its totient is φ = 691768885248.

The previous prime is 1111201120093. The next prime is 1111201120109. The reversal of 1111201120101 is 1010211021111.

It is an interprime number because it is at equal distance from previous prime (1111201120093) and next prime (1111201120109).

It is not a de Polignac number, because 1111201120101 - 2³ = 1111201120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111201120109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735765 + ... + 1662453.

It is an arithmetic number, because the mean of its divisors is an integer number (49438911500).

Almost surely, 2^{1111201120101} is an apocalyptic number.

It is an amenable number.

1111201120101 is a deficient number, since it is larger than the sum of its proper divisors (470844047899).

1111201120101 is a wasteful number, since it uses less digits than its factorization.

1111201120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927013.

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

Adding to 1111201120101 its reverse (1010211021111), we get a palindrome (2121412141212).

The spelling of 1111201120101 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred twenty thousand, one hundred one".