202021022011011 has 16 divisors (see below), whose sum is σ = 307842448224000. Its totient is φ = 115440249928608.

The previous prime is 202021022011007. The next prime is 202021022011027. The reversal of 202021022011011 is 110110220120202.

It is not a de Polignac number, because 202021022011011 - 2² = 202021022011007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202021022011051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6396001 + ... + 21093858.

It is an arithmetic number, because the mean of its divisors is an integer number (19240153014000).

Almost surely, 2^{202021022011011} is an apocalyptic number.

202021022011011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202021022011011 is a deficient number, since it is larger than the sum of its proper divisors (105821426212989).

202021022011011 is a wasteful number, since it uses less digits than its factorization.

202021022011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27839818.

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

Adding to 202021022011011 its reverse (110110220120202), we get a palindrome (312131242131213).

The spelling of 202021022011011 in words is "two hundred two trillion, twenty-one billion, twenty-two million, eleven thousand, eleven".