221020210123132 has 12 divisors (see below), whose sum is σ = 442040420246320. Its totient is φ = 94722947195616.

The previous prime is 221020210123109. The next prime is 221020210123261. The reversal of 221020210123132 is 231321012020122.

221020210123132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3946789466457 + ... + 3946789466512.

Almost surely, 2^{221020210123132} is an apocalyptic number.

It is an amenable number.

221020210123132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221020210123132 is a wasteful number, since it uses less digits than its factorization.

221020210123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893578932980 (or 7893578932978 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 221020210123132 its reverse (231321012020122), we get a palindrome (452341222143254).

The spelling of 221020210123132 in words is "two hundred twenty-one trillion, twenty billion, two hundred ten million, one hundred twenty-three thousand, one hundred thirty-two".