100020221122101 has 32 divisors (see below), whose sum is σ = 153403228492800. Its totient is φ = 56783565578880.

The previous prime is 100020221122097. The next prime is 100020221122103. The reversal of 100020221122101 is 101221122020001.

It is not a de Polignac number, because 100020221122101 - 2² = 100020221122097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020221122103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17314291 + ... + 22356768.

It is an arithmetic number, because the mean of its divisors is an integer number (4793850890400).

Almost surely, 2^{100020221122101} is an apocalyptic number.

It is an amenable number.

100020221122101 is a deficient number, since it is larger than the sum of its proper divisors (53383007370699).

100020221122101 is a wasteful number, since it uses less digits than its factorization.

100020221122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39671849.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100020221122101 its reverse (101221122020001), we get a palindrome (201241343142102).

The spelling of 100020221122101 in words is "one hundred trillion, twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".