10002122021011 has 4 divisors (see below), whose sum is σ = 10590482139912. Its totient is φ = 9413761902112.

The previous prime is 10002122021009. The next prime is 10002122021027. The reversal of 10002122021011 is 11012022120001.

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

It is a cyclic number.

It is not a de Polignac number, because 10002122021011 - 2¹ = 10002122021009 is a prime.

It is a super-2 number, since 2×10002122021011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002122020982 and 10002122021000.

It is not an unprimeable number, because it can be changed into a prime (10002122021051) 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, 294180059425 + ... + 294180059458.

It is an arithmetic number, because the mean of its divisors is an integer number (2647620534978).

Almost surely, 2^{10002122021011} is an apocalyptic number.

10002122021011 is a deficient number, since it is larger than the sum of its proper divisors (588360118901).

10002122021011 is an equidigital number, since it uses as much as digits as its factorization.

10002122021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588360118900.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10002122021011 its reverse (11012022120001), we get a palindrome (21014144141012).

The spelling of 10002122021011 in words is "ten trillion, two billion, one hundred twenty-two million, twenty-one thousand, eleven".