1220101200023 has 2 divisors, whose sum is σ = 1220101200024. Its totient is φ = 1220101200022.

The previous prime is 1220101199987. The next prime is 1220101200053. The reversal of 1220101200023 is 3200021010221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220101200023 - 2¹² = 1220101195927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220101199980 and 1220101200007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220101200053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050600011 + 610050600012.

It is an arithmetic number, because the mean of its divisors is an integer number (610050600012).

Almost surely, 2^{1220101200023} is an apocalyptic number.

1220101200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101200023 is an equidigital number, since it uses as much as digits as its factorization.

1220101200023 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 1220101200023 its reverse (3200021010221), we get a palindrome (4420122210244).

The spelling of 1220101200023 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred thousand, twenty-three".