1201111142223 has 32 divisors (see below), whose sum is σ = 1671529660416. Its totient is φ = 766610677728.

The previous prime is 1201111142221. The next prime is 1201111142239. The reversal of 1201111142223 is 3222411111021.

It is not a de Polignac number, because 1201111142223 - 2¹ = 1201111142221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201111142223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111142221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 918136 + ... + 1801442.

It is an arithmetic number, because the mean of its divisors is an integer number (52235301888).

Almost surely, 2^{1201111142223} is an apocalyptic number.

1201111142223 is a deficient number, since it is larger than the sum of its proper divisors (470418518193).

1201111142223 is a wasteful number, since it uses less digits than its factorization.

1201111142223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883563.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1201111142223 its reverse (3222411111021), we get a palindrome (4423522253244).

The spelling of 1201111142223 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred forty-two thousand, two hundred twenty-three".