101222129152 has 20 divisors (see below), whose sum is σ = 202246559856. Its totient is φ = 50611064320.

The previous prime is 101222129123. The next prime is 101222129189. The reversal of 101222129152 is 251921222101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101222129152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98849224 + ... + 98850247.

Almost surely, 2^101222129152 is an apocalyptic number.

It is an amenable number.

101222129152 is a deficient number, since it is larger than the sum of its proper divisors (101024430704).

101222129152 is an frugal number, since it uses more digits than its factorization.

101222129152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197699489 (or 197699473 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 101222129152 in words is "one hundred one billion, two hundred twenty-two million, one hundred twenty-nine thousand, one hundred fifty-two".