20112201012101 has 4 divisors (see below), whose sum is σ = 21940582922304. Its totient is φ = 18283819101900.

The previous prime is 20112201012091. The next prime is 20112201012109. The reversal of 20112201012101 is 10121010221102.

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.

It is not a de Polignac number, because 20112201012101 - 2³⁸ = 19837323105157 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 (20112201012109) 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, 914190955085 + ... + 914190955106.

It is an arithmetic number, because the mean of its divisors is an integer number (5485145730576).

Almost surely, 2^{20112201012101} is an apocalyptic number.

It is an amenable number.

20112201012101 is a deficient number, since it is larger than the sum of its proper divisors (1828381910203).

20112201012101 is a wasteful number, since it uses less digits than its factorization.

20112201012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828381910202.

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

Adding to 20112201012101 its reverse (10121010221102), we get a palindrome (30233211233203).

The spelling of 20112201012101 in words is "twenty trillion, one hundred twelve billion, two hundred one million, twelve thousand, one hundred one".