21122002211011 has 8 divisors (see below), whose sum is σ = 22748741020544. Its totient is φ = 19495544745600.

The previous prime is 21122002210999. The next prime is 21122002211131. The reversal of 21122002211011 is 11011220022112.

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 21122002211011 - 2⁵ = 21122002210979 is a prime.

It is a super-2 number, since 2×21122002211011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122002212011) 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, 70180086 + ... + 70480411.

It is an arithmetic number, because the mean of its divisors is an integer number (2843592627568).

Almost surely, 2^{21122002211011} is an apocalyptic number.

21122002211011 is a deficient number, since it is larger than the sum of its proper divisors (1626738809533).

21122002211011 is a wasteful number, since it uses less digits than its factorization.

21122002211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140672061.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21122002211011 its reverse (11011220022112), we get a palindrome (32133222233123).

The spelling of 21122002211011 in words is "twenty-one trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, eleven".