101221423222012 has 24 divisors (see below), whose sum is σ = 180906898455360. Its totient is φ = 49533744199680.

The previous prime is 101221423221977. The next prime is 101221423222021. The reversal of 101221423222012 is 210222324122101.

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, 95905812 + ... + 96955492.

It is an arithmetic number, because the mean of its divisors is an integer number (7537787435640).

Almost surely, 2^{101221423222012} is an apocalyptic number.

It is an amenable number.

101221423222012 is a deficient number, since it is larger than the sum of its proper divisors (79685475233348).

101221423222012 is a wasteful number, since it uses less digits than its factorization.

101221423222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562661 (or 1562659 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 101221423222012 its reverse (210222324122101), we get a palindrome (311443747344113).

The spelling of 101221423222012 in words is "one hundred one trillion, two hundred twenty-one billion, four hundred twenty-three million, two hundred twenty-two thousand, twelve".