220201321201123 has 2 divisors, whose sum is σ = 220201321201124. Its totient is φ = 220201321201122.

The previous prime is 220201321201091. The next prime is 220201321201163. The reversal of 220201321201123 is 321102123102022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220201321201123 - 2⁵ = 220201321201091 is a prime.

It is a super-2 number, since 2×220201321201123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220201321201094 and 220201321201103.

It is not a weakly prime, because it can be changed into another prime (220201321201163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100660600561 + 110100660600562.

It is an arithmetic number, because the mean of its divisors is an integer number (110100660600562).

Almost surely, 2^{220201321201123} is an apocalyptic number.

220201321201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201321201123 is an equidigital number, since it uses as much as digits as its factorization.

220201321201123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 220201321201123 its reverse (321102123102022), we get a palindrome (541303444303145).

The spelling of 220201321201123 in words is "two hundred twenty trillion, two hundred one billion, three hundred twenty-one million, two hundred one thousand, one hundred twenty-three".