1201110213111 has 16 divisors (see below), whose sum is σ = 1613506587264. Its totient is φ = 794738546784.

The previous prime is 1201110213089. The next prime is 1201110213137. The reversal of 1201110213111 is 1113120111021.

It is not a de Polignac number, because 1201110213111 - 2¹³ = 1201110204919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201110213151) 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, 1028121 + ... + 1859906.

It is an arithmetic number, because the mean of its divisors is an integer number (100844161704).

Almost surely, 2^{1201110213111} is an apocalyptic number.

1201110213111 is a deficient number, since it is larger than the sum of its proper divisors (412396374153).

1201110213111 is a wasteful number, since it uses less digits than its factorization.

1201110213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889070.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1201110213111 its reverse (1113120111021), we get a palindrome (2314230324132).

The spelling of 1201110213111 in words is "one trillion, two hundred one billion, one hundred ten million, two hundred thirteen thousand, one hundred eleven".