23001022202121 has 6 divisors (see below), whose sum is σ = 33223698736410. Its totient is φ = 15334014801408.

The previous prime is 23001022202089. The next prime is 23001022202131. The reversal of 23001022202121 is 12120222010032.

23001022202121 is a `hidden beast` number, since 2 + 300 + 102 + 220 + 21 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20143840499721 + 2857181702400 = 4488189^2 + 1690320^2 .

It is not a de Polignac number, because 23001022202121 - 2⁵ = 23001022202089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23001022202094 and 23001022202103.

It is not an unprimeable number, because it can be changed into a prime (23001022202131) 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 5 ways as a sum of consecutive naturals, for example, 1277834566776 + ... + 1277834566793.

It is an arithmetic number, because the mean of its divisors is an integer number (5537283122735).

Almost surely, 2^{23001022202121} is an apocalyptic number.

It is an amenable number.

23001022202121 is a deficient number, since it is larger than the sum of its proper divisors (10222676534289).

23001022202121 is a wasteful number, since it uses less digits than its factorization.

23001022202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555669133575 (or 2555669133572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23001022202121 its reverse (12120222010032), we get a palindrome (35121244212153).

The spelling of 23001022202121 in words is "twenty-three trillion, one billion, twenty-two million, two hundred two thousand, one hundred twenty-one".