202012020011101 has 4 divisors (see below), whose sum is σ = 213895080011772. Its totient is φ = 190128960010432.

The previous prime is 202012020011077. The next prime is 202012020011119. The reversal of 202012020011101 is 101110020210202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70122184462201 + 131889835548900 = 8373899^2 + 11484330^2 .

It is a cyclic number.

It is not a de Polignac number, because 202012020011101 - 2¹³ = 202012020002909 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 (202012020011141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941530000310 + ... + 5941530000343.

It is an arithmetic number, because the mean of its divisors is an integer number (53473770002943).

Almost surely, 2^{202012020011101} is an apocalyptic number.

It is an amenable number.

202012020011101 is a deficient number, since it is larger than the sum of its proper divisors (11883060000671).

202012020011101 is a wasteful number, since it uses less digits than its factorization.

202012020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11883060000670.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202012020011101 its reverse (101110020210202), we get a palindrome (303122040221303).

The spelling of 202012020011101 in words is "two hundred two trillion, twelve billion, twenty million, eleven thousand, one hundred one".