101221221003132 has 24 divisors (see below), whose sum is σ = 236193926040576. Its totient is φ = 33738824567728.

The previous prime is 101221221003131. The next prime is 101221221003143. The reversal of 101221221003132 is 231300122122101.

It is a junction number, because it is equal to n+sod(n) for n = 101221221003099 and 101221221003108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221221003131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197537628 + ... + 198049379.

It is an arithmetic number, because the mean of its divisors is an integer number (9841413585024).

Almost surely, 2^{101221221003132} is an apocalyptic number.

101221221003132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101221221003132 is an abundant number, since it is smaller than the sum of its proper divisors (134972705037444).

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

101221221003132 is a wasteful number, since it uses less digits than its factorization.

101221221003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395608337 (or 395608335 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101221221003132 its reverse (231300122122101), we get a palindrome (332521343125233).

The spelling of 101221221003132 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-one million, three thousand, one hundred thirty-two".