101121221224 has 8 divisors (see below), whose sum is σ = 189602289810. Its totient is φ = 50560610608.

The previous prime is 101121221213. The next prime is 101121221231. The reversal of 101121221224 is 422122121101.

It can be written as a sum of positive squares in only one way, i.e., 99546560100 + 1574661124 = 315510^2 + 39682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320076319 + ... + 6320076334.

Almost surely, 2^101121221224 is an apocalyptic number.

It is an amenable number.

101121221224 is a deficient number, since it is larger than the sum of its proper divisors (88481068586).

101121221224 is a wasteful number, since it uses less digits than its factorization.

101121221224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640152659 (or 12640152655 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101121221224 its reverse (422122121101), we get a palindrome (523243342325).

The spelling of 101121221224 in words is "one hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-four".