202021022011 has 8 divisors (see below), whose sum is σ = 215215801920. Its totient is φ = 189082451592.

The previous prime is 202021021967. The next prime is 202021022069. The reversal of 202021022011 is 110220120202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202021022011 - 2¹⁵ = 202020989243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202021021982 and 202021022000.

It is not an unprimeable number, because it can be changed into a prime (202021022311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64050745 + ... + 64053898.

It is an arithmetic number, because the mean of its divisors is an integer number (26901975240).

Almost surely, 2^202021022011 is an apocalyptic number.

202021022011 is a deficient number, since it is larger than the sum of its proper divisors (13194779909).

202021022011 is a wasteful number, since it uses less digits than its factorization.

202021022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128104745.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202021022011 its reverse (110220120202), we get a palindrome (312241142213).

The spelling of 202021022011 in words is "two hundred two billion, twenty-one million, twenty-two thousand, eleven".