1011102121223 has 16 divisors (see below), whose sum is σ = 1101793228800. Its totient is φ = 924205010400.

The previous prime is 1011102121219. The next prime is 1011102121231. The reversal of 1011102121223 is 3221212011101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011102121223 - 2² = 1011102121219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011102121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139298 + ... + 1428848.

It is an arithmetic number, because the mean of its divisors is an integer number (68862076800).

Almost surely, 2^{1011102121223} is an apocalyptic number.

1011102121223 is a deficient number, since it is larger than the sum of its proper divisors (90691107577).

1011102121223 is a wasteful number, since it uses less digits than its factorization.

1011102121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291022.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011102121223 its reverse (3221212011101), we get a palindrome (4232314132324).

The spelling of 1011102121223 in words is "one trillion, eleven billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-three".