20110110200121 has 8 divisors (see below), whose sum is σ = 26813531344320. Its totient is φ = 13406714594672.

The previous prime is 20110110200119. The next prime is 20110110200171. The reversal of 20110110200121 is 12100201101102.

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 20110110200121 - 2¹ = 20110110200119 is a prime.

It is a super-2 number, since 2×20110110200121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110110200097 and 20110110200106.

It is not an unprimeable number, because it can be changed into a prime (20110110200111) 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, 4464870 + ... + 7755983.

It is an arithmetic number, because the mean of its divisors is an integer number (3351691418040).

Almost surely, 2^{20110110200121} is an apocalyptic number.

It is an amenable number.

20110110200121 is a deficient number, since it is larger than the sum of its proper divisors (6703421144199).

20110110200121 is a wasteful number, since it uses less digits than its factorization.

20110110200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769375.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110110200121 its reverse (12100201101102), we get a palindrome (32210311301223).

The spelling of 20110110200121 in words is "twenty trillion, one hundred ten billion, one hundred ten million, two hundred thousand, one hundred twenty-one".