20122101011211 has 16 divisors (see below), whose sum is σ = 26842785835008. Its totient is φ = 13408075800000.

The previous prime is 20122101011197. The next prime is 20122101011249. The reversal of 20122101011211 is 11211010122102.

It is a happy number.

It is not a de Polignac number, because 20122101011211 - 2²³ = 20122092622603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122101011281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130288686 + ... + 130443036.

It is an arithmetic number, because the mean of its divisors is an integer number (1677674114688).

Almost surely, 2^{20122101011211} is an apocalyptic number.

20122101011211 is a deficient number, since it is larger than the sum of its proper divisors (6720684823797).

20122101011211 is a wasteful number, since it uses less digits than its factorization.

20122101011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175642.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20122101011211 its reverse (11211010122102), we get a palindrome (31333111133313).

The spelling of 20122101011211 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, eleven thousand, two hundred eleven".