20101000121223 has 8 divisors (see below), whose sum is σ = 30630095422848. Its totient is φ = 11486285783544.

The previous prime is 20101000121197. The next prime is 20101000121273. The reversal of 20101000121223 is 32212100010102.

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

It is not a de Polignac number, because 20101000121223 - 2³⁰ = 20099926379399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101000121273) 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, 478595240961 + ... + 478595241002.

It is an arithmetic number, because the mean of its divisors is an integer number (3828761927856).

Almost surely, 2^{20101000121223} is an apocalyptic number.

20101000121223 is a deficient number, since it is larger than the sum of its proper divisors (10529095301625).

20101000121223 is an equidigital number, since it uses as much as digits as its factorization.

20101000121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957190481973.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20101000121223 its reverse (32212100010102), we get a palindrome (52313100131325).

The spelling of 20101000121223 in words is "twenty trillion, one hundred one billion, one hundred twenty-one thousand, two hundred twenty-three".