20102121133323 has 8 divisors (see below), whose sum is σ = 26803996505088. Its totient is φ = 13400829925224.

The previous prime is 20102121133273. The next prime is 20102121133333. The reversal of 20102121133323 is 32333112120102.

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

It is not a de Polignac number, because 20102121133323 - 2⁸ = 20102121133067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102121133293 and 20102121133302.

It is not an unprimeable number, because it can be changed into a prime (20102121133333) 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, 145960615 + ... + 146098272.

It is an arithmetic number, because the mean of its divisors is an integer number (3350499563136).

Almost surely, 2^{20102121133323} is an apocalyptic number.

20102121133323 is a deficient number, since it is larger than the sum of its proper divisors (6701875371765).

20102121133323 is a wasteful number, since it uses less digits than its factorization.

20102121133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292081833.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20102121133323 its reverse (32333112120102), we get a palindrome (52435233253425).

The spelling of 20102121133323 in words is "twenty trillion, one hundred two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty-three".