10020121222101 has 32 divisors (see below), whose sum is σ = 13536989510400. Its totient is φ = 6591972119040.

The previous prime is 10020121222073. The next prime is 10020121222109. The reversal of 10020121222101 is 10122212102001.

It is not a de Polignac number, because 10020121222101 - 2¹⁵ = 10020121189333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020121222109) 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, 491437215 + ... + 491457603.

It is an arithmetic number, because the mean of its divisors is an integer number (423030922200).

Almost surely, 2^{10020121222101} is an apocalyptic number.

It is an amenable number.

10020121222101 is a deficient number, since it is larger than the sum of its proper divisors (3516868288299).

10020121222101 is a wasteful number, since it uses less digits than its factorization.

10020121222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24029.

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

Adding to 10020121222101 its reverse (10122212102001), we get a palindrome (20142333324102).

It can be divided in two parts, 10020 and 121222101, that added together give a palindrome (121232121).

The spelling of 10020121222101 in words is "ten trillion, twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred one".