202020001101011 has 4 divisors (see below), whose sum is σ = 202021298110632. Its totient is φ = 202018704091392.

The previous prime is 202020001101001. The next prime is 202020001101029. The reversal of 202020001101011 is 110101100020202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020001101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202020001100983 and 202020001101001.

It is not an unprimeable number, because it can be changed into a prime (202020001101001) 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, 648271145 + ... + 648582698.

It is an arithmetic number, because the mean of its divisors is an integer number (50505324527658).

Almost surely, 2^{202020001101011} is an apocalyptic number.

202020001101011 is a deficient number, since it is larger than the sum of its proper divisors (1297009621).

202020001101011 is a wasteful number, since it uses less digits than its factorization.

202020001101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297009620.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202020001101011 its reverse (110101100020202), we get a palindrome (312121101121213).

The spelling of 202020001101011 in words is "two hundred two trillion, twenty billion, one million, one hundred one thousand, eleven".