100021121022101 has 8 divisors (see below), whose sum is σ = 105291610855680. Its totient is φ = 94751253219168.

The previous prime is 100021121022083. The next prime is 100021121022157. The reversal of 100021121022101 is 101220121120001.

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

It is a cyclic number.

It is not a de Polignac number, because 100021121022101 - 2⁶ = 100021121022037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021121022701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155177576 + ... + 155820801.

It is an arithmetic number, because the mean of its divisors is an integer number (13161451356960).

Almost surely, 2^{100021121022101} is an apocalyptic number.

It is an amenable number.

100021121022101 is a deficient number, since it is larger than the sum of its proper divisors (5270489833579).

100021121022101 is a wasteful number, since it uses less digits than its factorization.

100021121022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311015323.

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

Adding to 100021121022101 its reverse (101220121120001), we get a palindrome (201241242142102).

The spelling of 100021121022101 in words is "one hundred trillion, twenty-one billion, one hundred twenty-one million, twenty-two thousand, one hundred one".