20122110101 has 4 divisors (see below), whose sum is σ = 20133006432. Its totient is φ = 20111213772.

The previous prime is 20122110097. The next prime is 20122110121. The reversal of 20122110101 is 10101122102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10101122102 = 2 ⋅5050561051.

It is a cyclic number.

It is not a de Polignac number, because 20122110101 - 2² = 20122110097 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 (20122110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5445395 + ... + 5449088.

It is an arithmetic number, because the mean of its divisors is an integer number (5033251608).

Almost surely, 2^20122110101 is an apocalyptic number.

It is an amenable number.

20122110101 is a deficient number, since it is larger than the sum of its proper divisors (10896331).

20122110101 is a wasteful number, since it uses less digits than its factorization.

20122110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896330.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20122110101 its reverse (10101122102), we get a palindrome (30223232203).

The spelling of 20122110101 in words is "twenty billion, one hundred twenty-two million, one hundred ten thousand, one hundred one".