20221211101 has 16 divisors (see below), whose sum is σ = 24953353600. Its totient is φ = 15956958528.

The previous prime is 20221211083. The next prime is 20221211113. The reversal of 20221211101 is 10111212202.

It is not a de Polignac number, because 20221211101 - 2¹³ = 20221202909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221211141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258666 + ... + 327643.

It is an arithmetic number, because the mean of its divisors is an integer number (1559584600).

Almost surely, 2^20221211101 is an apocalyptic number.

It is an amenable number.

20221211101 is a deficient number, since it is larger than the sum of its proper divisors (4732142499).

20221211101 is a wasteful number, since it uses less digits than its factorization.

20221211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586708.

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

Adding to 20221211101 its reverse (10111212202), we get a palindrome (30332423303).

The spelling of 20221211101 in words is "twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred one".