20020212211101 has 4 divisors (see below), whose sum is σ = 26693616281472. Its totient is φ = 13346808140732.

The previous prime is 20020212211099. The next prime is 20020212211121. The reversal of 20020212211101 is 10111221202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020212211101 - 2¹ = 20020212211099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020212211121) 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, 3336702035181 + ... + 3336702035186.

It is an arithmetic number, because the mean of its divisors is an integer number (6673404070368).

Almost surely, 2^{20020212211101} is an apocalyptic number.

It is an amenable number.

20020212211101 is a deficient number, since it is larger than the sum of its proper divisors (6673404070371).

20020212211101 is an equidigital number, since it uses as much as digits as its factorization.

20020212211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673404070370.

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

Adding to 20020212211101 its reverse (10111221202002), we get a palindrome (30131433413103).

The spelling of 20020212211101 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred one".