100021122120101 has 32 divisors (see below), whose sum is σ = 124663644134400. Its totient is φ = 78134307713280.

The previous prime is 100021122120097. The next prime is 100021122120169. The reversal of 100021122120101 is 101021221120001.

It is not a de Polignac number, because 100021122120101 - 2² = 100021122120097 is a prime.

It is a super-2 number, since 2×100021122120101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021122120181) 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, 481997795 + ... + 482205263.

It is an arithmetic number, because the mean of its divisors is an integer number (3895738879200).

Almost surely, 2^{100021122120101} is an apocalyptic number.

It is an amenable number.

100021122120101 is a deficient number, since it is larger than the sum of its proper divisors (24642522014299).

100021122120101 is a wasteful number, since it uses less digits than its factorization.

100021122120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274629.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100021122120101 its reverse (101021221120001), we get a palindrome (201042343240102).

The spelling of 100021122120101 in words is "one hundred trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".