20012101222101 has 8 divisors (see below), whose sum is σ = 26683036598880. Its totient is φ = 13341283330032.

The previous prime is 20012101222033. The next prime is 20012101222117. The reversal of 20012101222101 is 10122210121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012101222101 - 2¹⁷ = 20012101091029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012101272101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28972950 + ... + 29655623.

It is an arithmetic number, because the mean of its divisors is an integer number (3335379574860).

Almost surely, 2^{20012101222101} is an apocalyptic number.

It is an amenable number.

20012101222101 is a deficient number, since it is larger than the sum of its proper divisors (6670935376779).

20012101222101 is a wasteful number, since it uses less digits than its factorization.

20012101222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58742355.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20012101222101 its reverse (10122210121002), we get a palindrome (30134311343103).

The spelling of 20012101222101 in words is "twenty trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred one".