120111142266 has 24 divisors (see below), whose sum is σ = 260251065984. Its totient is φ = 40035469320.

The previous prime is 120111142247. The next prime is 120111142279. The reversal of 120111142266 is 662241111021.

120111142266 is a `hidden beast` number, since 120 + 1 + 111 + 422 + 6 + 6 = 666.

It is a super-2 number, since 2×120111142266² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394761 + ... + 629331.

It is an arithmetic number, because the mean of its divisors is an integer number (10843794416).

Almost surely, 2^120111142266 is an apocalyptic number.

120111142266 is an abundant number, since it is smaller than the sum of its proper divisors (140139923718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120111142266 is a wasteful number, since it uses less digits than its factorization.

120111142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263026 (or 263023 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 120111142266 its reverse (662241111021), we get a palindrome (782352253287).

The spelling of 120111142266 in words is "one hundred twenty billion, one hundred eleven million, one hundred forty-two thousand, two hundred sixty-six".