10121112021101 has 16 divisors (see below), whose sum is σ = 10740498810624. Its totient is φ = 9504416323584.

The previous prime is 10121112021079. The next prime is 10121112021133. The reversal of 10121112021101 is 10112021112101.

It is not a de Polignac number, because 10121112021101 - 2¹⁸ = 10121111758957 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 (10121112021161) 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, 14848886 + ... + 15515528.

It is an arithmetic number, because the mean of its divisors is an integer number (671281175664).

Almost surely, 2^{10121112021101} is an apocalyptic number.

It is an amenable number.

10121112021101 is a deficient number, since it is larger than the sum of its proper divisors (619386789523).

10121112021101 is a wasteful number, since it uses less digits than its factorization.

10121112021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668660.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121112021101 its reverse (10112021112101), we get a palindrome (20233133133202).

The spelling of 10121112021101 in words is "ten trillion, one hundred twenty-one billion, one hundred twelve million, twenty-one thousand, one hundred one".