101221440122 has 8 divisors (see below), whose sum is σ = 165635083872. Its totient is φ = 46009745500.

The previous prime is 101221440107. The next prime is 101221440139. The reversal of 101221440122 is 221044122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101221440094 and 101221440103.

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, 2300487254 + ... + 2300487297.

It is an arithmetic number, because the mean of its divisors is an integer number (20704385484).

Almost surely, 2^101221440122 is an apocalyptic number.

101221440122 is a deficient number, since it is larger than the sum of its proper divisors (64413643750).

101221440122 is a wasteful number, since it uses less digits than its factorization.

101221440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600974564.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101221440122 its reverse (221044122101), we get a palindrome (322265562223).

The spelling of 101221440122 in words is "one hundred one billion, two hundred twenty-one million, four hundred forty thousand, one hundred twenty-two".