20010110110121 has 8 divisors (see below), whose sum is σ = 20041005171264. Its totient is φ = 19979229557520.

The previous prime is 20010110110103. The next prime is 20010110110139. The reversal of 20010110110121 is 12101101101002.

It is an interprime number because it is at equal distance from previous prime (20010110110103) and next prime (20010110110139).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010110110121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010110110021) 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, 864995 + ... + 6385016.

It is an arithmetic number, because the mean of its divisors is an integer number (2505125646408).

Almost surely, 2^{20010110110121} is an apocalyptic number.

It is an amenable number.

20010110110121 is a deficient number, since it is larger than the sum of its proper divisors (30895061143).

20010110110121 is an equidigital number, since it uses as much as digits as its factorization.

20010110110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254271.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20010110110121 its reverse (12101101101002), we get a palindrome (32111211211123).

The spelling of 20010110110121 in words is "twenty trillion, ten billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".