2201002100123 has 2 divisors, whose sum is σ = 2201002100124. Its totient is φ = 2201002100122.

The previous prime is 2201002100117. The next prime is 2201002100177. The reversal of 2201002100123 is 3210012001022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201002100123 - 2⁸ = 2201002099867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201002100098 and 2201002100107.

It is not a weakly prime, because it can be changed into another prime (2201002100023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100501050061 + 1100501050062.

It is an arithmetic number, because the mean of its divisors is an integer number (1100501050062).

Almost surely, 2^{2201002100123} is an apocalyptic number.

2201002100123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201002100123 is an equidigital number, since it uses as much as digits as its factorization.

2201002100123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2201002100123 its reverse (3210012001022), we get a palindrome (5411014101145).

The spelling of 2201002100123 in words is "two trillion, two hundred one billion, two million, one hundred thousand, one hundred twenty-three".