1201102023111 has 16 divisors (see below), whose sum is σ = 1707872544000. Its totient is φ = 748210819968.

The previous prime is 1201102023103. The next prime is 1201102023137. The reversal of 1201102023111 is 1113202011021.

It is not a de Polignac number, because 1201102023111 - 2³ = 1201102023103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201102023211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84708811 + ... + 84722988.

It is an arithmetic number, because the mean of its divisors is an integer number (106742034000).

Almost surely, 2^{1201102023111} is an apocalyptic number.

1201102023111 is a deficient number, since it is larger than the sum of its proper divisors (506770520889).

1201102023111 is a wasteful number, since it uses less digits than its factorization.

1201102023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169431958.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1201102023111 its reverse (1113202011021), we get a palindrome (2314304034132).

The spelling of 1201102023111 in words is "one trillion, two hundred one billion, one hundred two million, twenty-three thousand, one hundred eleven".