1011201232223 has 32 divisors (see below), whose sum is σ = 1257228749952. Its totient is φ = 791942860800.

The previous prime is 1011201232207. The next prime is 1011201232231. The reversal of 1011201232223 is 3222321021101.

It is not a de Polignac number, because 1011201232223 - 2⁴ = 1011201232207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011201232195 and 1011201232204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201232243) 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, 7760753 + ... + 7889973.

It is an arithmetic number, because the mean of its divisors is an integer number (39288398436).

Almost surely, 2^{1011201232223} is an apocalyptic number.

1011201232223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011201232223 is a deficient number, since it is larger than the sum of its proper divisors (246027517729).

1011201232223 is a wasteful number, since it uses less digits than its factorization.

1011201232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130115.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1011201232223 its reverse (3222321021101), we get a palindrome (4233522253324).

The spelling of 1011201232223 in words is "one trillion, eleven billion, two hundred one million, two hundred thirty-two thousand, two hundred twenty-three".