1102123220201 has 2 divisors, whose sum is σ = 1102123220202. Its totient is φ = 1102123220200.

The previous prime is 1102123220173. The next prime is 1102123220251. The reversal of 1102123220201 is 1020223212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680856019600 + 421267200601 = 825140^2 + 649051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102123220201 - 2⁶ = 1102123220137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102123220201.

It is not a weakly prime, because it can be changed into another prime (1102123220251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551061610100 + 551061610101.

It is an arithmetic number, because the mean of its divisors is an integer number (551061610101).

Almost surely, 2^{1102123220201} is an apocalyptic number.

It is an amenable number.

1102123220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102123220201 is an equidigital number, since it uses as much as digits as its factorization.

1102123220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1102123220201 its reverse (1020223212011), we get a palindrome (2122346432212).

The spelling of 1102123220201 in words is "one trillion, one hundred two billion, one hundred twenty-three million, two hundred twenty thousand, two hundred one".