1101202111111 has 8 divisors (see below), whose sum is σ = 1152775263744. Its totient is φ = 1049936858520.

The previous prime is 1101202111043. The next prime is 1101202111129. The reversal of 1101202111111 is 1111112021011.

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 1101202111111 - 2²⁵ = 1101168556679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101202111091 and 1101202111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101202111151) 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, 76967691 + ... + 76981996.

It is an arithmetic number, because the mean of its divisors is an integer number (144096907968).

Almost surely, 2^{1101202111111} is an apocalyptic number.

1101202111111 is a deficient number, since it is larger than the sum of its proper divisors (51573152633).

1101202111111 is a wasteful number, since it uses less digits than its factorization.

1101202111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153950021.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1101202111111 its reverse (1111112021011), we get a palindrome (2212314132122).

The spelling of 1101202111111 in words is "one trillion, one hundred one billion, two hundred two million, one hundred eleven thousand, one hundred eleven".