20122112210101 has 16 divisors (see below), whose sum is σ = 22065621372288. Its totient is φ = 18197644953600.

The previous prime is 20122112210077. The next prime is 20122112210119. The reversal of 20122112210101 is 10101221122102.

It is a cyclic number.

It is not a de Polignac number, because 20122112210101 - 2¹⁷ = 20122112079029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122112210401) 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, 139687225 + ... + 139831201.

It is an arithmetic number, because the mean of its divisors is an integer number (1379101335768).

Almost surely, 2^{20122112210101} is an apocalyptic number.

It is an amenable number.

20122112210101 is a deficient number, since it is larger than the sum of its proper divisors (1943509162187).

20122112210101 is a wasteful number, since it uses less digits than its factorization.

20122112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20122112210101 its reverse (10101221122102), we get a palindrome (30223333332203).

The spelling of 20122112210101 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, one hundred one".