202211000020123 has 2 divisors, whose sum is σ = 202211000020124. Its totient is φ = 202211000020122.

The previous prime is 202211000020111. The next prime is 202211000020247. The reversal of 202211000020123 is 321020000112202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202211000020123 - 2⁵ = 202211000020091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202211000020097 and 202211000020106.

It is not a weakly prime, because it can be changed into another prime (202211000020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105500010061 + 101105500010062.

It is an arithmetic number, because the mean of its divisors is an integer number (101105500010062).

Almost surely, 2^{202211000020123} is an apocalyptic number.

202211000020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211000020123 is an equidigital number, since it uses as much as digits as its factorization.

202211000020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202211000020123 its reverse (321020000112202), we get a palindrome (523231000132325).

The spelling of 202211000020123 in words is "two hundred two trillion, two hundred eleven billion, twenty thousand, one hundred twenty-three".