20122110021101 has 16 divisors (see below), whose sum is σ = 23468307977088. Its totient is φ = 17049625420800.

The previous prime is 20122110021073. The next prime is 20122110021241. The reversal of 20122110021101 is 10112001122102.

It is a de Polignac number, because none of the positive numbers 2^k-20122110021101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122110041101) 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, 522334460 + ... + 522372981.

It is an arithmetic number, because the mean of its divisors is an integer number (1466769248568).

Almost surely, 2^{20122110021101} is an apocalyptic number.

It is an amenable number.

20122110021101 is a deficient number, since it is larger than the sum of its proper divisors (3346197955987).

20122110021101 is a wasteful number, since it uses less digits than its factorization.

20122110021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044707572.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122110021101 its reverse (10112001122102), we get a palindrome (30234111143203).

The spelling of 20122110021101 in words is "twenty trillion, one hundred twenty-two billion, one hundred ten million, twenty-one thousand, one hundred one".