20212323101101 has 16 divisors (see below), whose sum is σ = 21147192025344. Its totient is φ = 19299567075264.

The previous prime is 20212323101071. The next prime is 20212323101137. The reversal of 20212323101101 is 10110132321202.

It is a cyclic number.

It is not a de Polignac number, because 20212323101101 - 2²¹ = 20212321003949 is a prime.

It is a super-2 number, since 2×20212323101101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212323101141) 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, 4138426 + ... + 7586251.

It is an arithmetic number, because the mean of its divisors is an integer number (1321699501584).

Almost surely, 2^{20212323101101} is an apocalyptic number.

It is an amenable number.

20212323101101 is a deficient number, since it is larger than the sum of its proper divisors (934868924243).

20212323101101 is a wasteful number, since it uses less digits than its factorization.

20212323101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725620.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20212323101101 its reverse (10110132321202), we get a palindrome (30322455422303).

The spelling of 20212323101101 in words is "twenty trillion, two hundred twelve billion, three hundred twenty-three million, one hundred one thousand, one hundred one".