1211113022 has 64 divisors (see below), whose sum is σ = 2272112640. Its totient is φ = 472953600.

The previous prime is 1211113003. The next prime is 1211113027. The reversal of 1211113022 is 2203111121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1211112988 and 1211113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211113027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514853 + ... + 517199.

It is an arithmetic number, because the mean of its divisors is an integer number (35501760).

Almost surely, 2^1211113022 is an apocalyptic number.

1211113022 is a deficient number, since it is larger than the sum of its proper divisors (1060999618).

1211113022 is a wasteful number, since it uses less digits than its factorization.

1211113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1211113022 is about 34801.0491508518. The cubic root of 1211113022 is about 1065.9288690691.

Adding to 1211113022 its reverse (2203111121), we get a palindrome (3414224143).

The spelling of 1211113022 in words is "one billion, two hundred eleven million, one hundred thirteen thousand, twenty-two".