21202030122011 has 8 divisors (see below), whose sum is σ = 21248219782944. Its totient is φ = 21155841320320.

The previous prime is 21202030122001. The next prime is 21202030122029. The reversal of 21202030122011 is 11022103020212.

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 21202030122011 - 2²² = 21202025927707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202030122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95448371 + ... + 95670243.

It is an arithmetic number, because the mean of its divisors is an integer number (2656027472868).

Almost surely, 2^{21202030122011} is an apocalyptic number.

21202030122011 is a deficient number, since it is larger than the sum of its proper divisors (46189660933).

21202030122011 is a wasteful number, since it uses less digits than its factorization.

21202030122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429621.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21202030122011 its reverse (11022103020212), we get a palindrome (32224133142223).

The spelling of 21202030122011 in words is "twenty-one trillion, two hundred two billion, thirty million, one hundred twenty-two thousand, eleven".