1101213203223 has 32 divisors (see below), whose sum is σ = 1690741112832. Its totient is φ = 624516760800.

The previous prime is 1101213203201. The next prime is 1101213203239. The reversal of 1101213203223 is 3223023121011.

It is not a de Polignac number, because 1101213203223 - 2⁸ = 1101213202967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1101213203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101213203263) 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, 1410240 + ... + 2047242.

It is an arithmetic number, because the mean of its divisors is an integer number (52835659776).

Almost surely, 2^{1101213203223} is an apocalyptic number.

1101213203223 is a deficient number, since it is larger than the sum of its proper divisors (589527909609).

1101213203223 is a wasteful number, since it uses less digits than its factorization.

1101213203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637635.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1101213203223 its reverse (3223023121011), we get a palindrome (4324236324234).

The spelling of 1101213203223 in words is "one trillion, one hundred one billion, two hundred thirteen million, two hundred three thousand, two hundred twenty-three".