113001021211 has 16 divisors (see below), whose sum is σ = 128478532000. Its totient is φ = 98525403648.

The previous prime is 113001021191. The next prime is 113001021227. The reversal of 113001021211 is 112120100311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113001021211 - 2¹⁷ = 113000890139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 113001021191 and 113001021200.

It is not an unprimeable number, because it can be changed into a prime (113001021241) 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, 595536 + ... + 762013.

It is an arithmetic number, because the mean of its divisors is an integer number (8029908250).

Almost surely, 2^113001021211 is an apocalyptic number.

113001021211 is a deficient number, since it is larger than the sum of its proper divisors (15477510789).

113001021211 is a wasteful number, since it uses less digits than its factorization.

113001021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357918.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 113001021211 its reverse (112120100311), we get a palindrome (225121121522).

The spelling of 113001021211 in words is "one hundred thirteen billion, one million, twenty-one thousand, two hundred eleven".