202121112011101 has 8 divisors (see below), whose sum is σ = 205452595728000. Its totient is φ = 198790209677040.

The previous prime is 202121112011099. The next prime is 202121112011107. The reversal of 202121112011101 is 101110211121202.

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 202121112011101 - 2¹ = 202121112011099 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 (202121112011107) 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, 144644641 + ... + 146035318.

It is an arithmetic number, because the mean of its divisors is an integer number (25681574466000).

Almost surely, 2^{202121112011101} is an apocalyptic number.

It is an amenable number.

202121112011101 is a deficient number, since it is larger than the sum of its proper divisors (3331483716899).

202121112011101 is a wasteful number, since it uses less digits than its factorization.

202121112011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290691419.

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

Adding to 202121112011101 its reverse (101110211121202), we get a palindrome (303231323132303).

The spelling of 202121112011101 in words is "two hundred two trillion, one hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred one".