1011202101111 has 8 divisors (see below), whose sum is σ = 1348348075264. Its totient is φ = 674095430520.

The previous prime is 1011202101083. The next prime is 1011202101137. The reversal of 1011202101111 is 1111012021101.

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

It is not a de Polignac number, because 1011202101111 - 2⁷ = 1011202100983 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 (1011202101211) 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, 9765805 + ... + 9868806.

It is an arithmetic number, because the mean of its divisors is an integer number (168543509408).

Almost surely, 2^{1011202101111} is an apocalyptic number.

1011202101111 is a deficient number, since it is larger than the sum of its proper divisors (337145974153).

1011202101111 is a wasteful number, since it uses less digits than its factorization.

1011202101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651781.

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

Adding to 1011202101111 its reverse (1111012021101), we get a palindrome (2122214122212).

The spelling of 1011202101111 in words is "one trillion, eleven billion, two hundred two million, one hundred one thousand, one hundred eleven".