202121000010011 has 8 divisors (see below), whose sum is σ = 205341039381840. Its totient is φ = 198906940286208.

The previous prime is 202121000009989. The next prime is 202121000010023. The reversal of 202121000010011 is 110010000121202.

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 202121000010011 - 2¹⁰ = 202121000008987 is a prime.

It is a super-3 number, since 3×202121000010011³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202121000009974 and 202121000010001.

It is not an unprimeable number, because it can be changed into a prime (202121003010011) 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, 1494843866 + ... + 1494979071.

It is an arithmetic number, because the mean of its divisors is an integer number (25667629922730).

Almost surely, 2^{202121000010011} is an apocalyptic number.

202121000010011 is a deficient number, since it is larger than the sum of its proper divisors (3220039371829).

202121000010011 is a wasteful number, since it uses less digits than its factorization.

202121000010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989824013.

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

Adding to 202121000010011 its reverse (110010000121202), we get a palindrome (312131000131213).

The spelling of 202121000010011 in words is "two hundred two trillion, one hundred twenty-one billion, ten thousand, eleven".