221234102292 has 48 divisors (see below), whose sum is σ = 610300978560. Its totient is φ = 61030096512.

The previous prime is 221234102281. The next prime is 221234102311. The reversal of 221234102292 is 292201432122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45406863 + ... + 45411734.

It is an arithmetic number, because the mean of its divisors is an integer number (12714603720).

Almost surely, 2^221234102292 is an apocalyptic number.

It is an amenable number.

221234102292 is an abundant number, since it is smaller than the sum of its proper divisors (389066876268).

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

221234102292 is a wasteful number, since it uses less digits than its factorization.

221234102292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818640 (or 90818638 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 221234102292 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred two thousand, two hundred ninety-two".