202021201011 has 64 divisors (see below), whose sum is σ = 313864151040. Its totient is φ = 113209574400.

The previous prime is 202021201001. The next prime is 202021201013. The reversal of 202021201011 is 110102120202.

It is not a de Polignac number, because 202021201011 - 2⁶ = 202021200947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202021201013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114849150 + ... + 114850908.

It is an arithmetic number, because the mean of its divisors is an integer number (4904127360).

Almost surely, 2^202021201011 is an apocalyptic number.

202021201011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202021201011 is a deficient number, since it is larger than the sum of its proper divisors (111842950029).

202021201011 is a wasteful number, since it uses less digits than its factorization.

202021201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202021201011 its reverse (110102120202), we get a palindrome (312123321213).

The spelling of 202021201011 in words is "two hundred two billion, twenty-one million, two hundred one thousand, eleven".