10221220222192 has 40 divisors (see below), whose sum is σ = 22652855985536. Its totient is φ = 4376622165696.

The previous prime is 10221220222183. The next prime is 10221220222223. The reversal of 10221220222192 is 29122202212201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 10221220222192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40506858 + ... + 40758409.

Almost surely, 2^{10221220222192} is an apocalyptic number.

It is an amenable number.

10221220222192 is an abundant number, since it is smaller than the sum of its proper divisors (12431635763344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221220222192 is a wasteful number, since it uses less digits than its factorization.

10221220222192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81266405 (or 81266399 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 10221220222192 its reverse (29122202212201), we get a palindrome (39343422434393).

The spelling of 10221220222192 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred ninety-two".