20211222001011 has 64 divisors (see below), whose sum is σ = 29143226112000. Its totient is φ = 12417380870400.

The previous prime is 20211222000979. The next prime is 20211222001037. The reversal of 20211222001011 is 11010022211202.

It is not a de Polignac number, because 20211222001011 - 2⁵ = 20211222000979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211224001011) 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 63 ways as a sum of consecutive naturals, for example, 1210316940 + ... + 1210333638.

It is an arithmetic number, because the mean of its divisors is an integer number (455362908000).

Almost surely, 2^{20211222001011} is an apocalyptic number.

20211222001011 is a deficient number, since it is larger than the sum of its proper divisors (8932004110989).

20211222001011 is a wasteful number, since it uses less digits than its factorization.

20211222001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211222001011 its reverse (11010022211202), we get a palindrome (31221244212213).

The spelling of 20211222001011 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, one thousand, eleven".