20101102203121 has 8 divisors (see below), whose sum is σ = 20140210208480. Its totient is φ = 20062021617792.

The previous prime is 20101102203043. The next prime is 20101102203179. The reversal of 20101102203121 is 12130220110102.

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

It is a cyclic number.

It is not a de Polignac number, because 20101102203121 - 2¹¹ = 20101102201073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101102203095 and 20101102203104.

It is not an unprimeable number, because it can be changed into a prime (20101102203421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5387115 + ... + 8320048.

It is an arithmetic number, because the mean of its divisors is an integer number (2517526276060).

Almost surely, 2^{20101102203121} is an apocalyptic number.

It is an amenable number.

20101102203121 is a deficient number, since it is larger than the sum of its proper divisors (39108005359).

20101102203121 is a wasteful number, since it uses less digits than its factorization.

20101102203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710015.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20101102203121 its reverse (12130220110102), we get a palindrome (32231322313223).

The spelling of 20101102203121 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred three thousand, one hundred twenty-one".