101221121000122 has 32 divisors (see below), whose sum is σ = 153563661316800. Its totient is φ = 50036393668608.

The previous prime is 101221121000113. The next prime is 101221121000123. The reversal of 101221121000122 is 221000121122101.

It is a junction number, because it is equal to n+sod(n) for n = 101221121000096 and 101221121000105.

It is not an unprimeable number, because it can be changed into a prime (101221121000123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247641973 + ... + 248050375.

It is an arithmetic number, because the mean of its divisors is an integer number (4798864416150).

Almost surely, 2^{101221121000122} is an apocalyptic number.

101221121000122 is a deficient number, since it is larger than the sum of its proper divisors (52342540316678).

101221121000122 is a wasteful number, since it uses less digits than its factorization.

101221121000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412270.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101221121000122 its reverse (221000121122101), we get a palindrome (322221242122223).

The spelling of 101221121000122 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.