1201102110101 has 2 divisors, whose sum is σ = 1201102110102. Its totient is φ = 1201102110100.

The previous prime is 1201102110077. The next prime is 1201102110113. The reversal of 1201102110101 is 1010112011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864555934225 + 336546175876 = 929815^2 + 580126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201102110101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201102110001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600551055050 + 600551055051.

It is an arithmetic number, because the mean of its divisors is an integer number (600551055051).

Almost surely, 2^{1201102110101} is an apocalyptic number.

It is an amenable number.

1201102110101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201102110101 is an equidigital number, since it uses as much as digits as its factorization.

1201102110101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201102110101 its reverse (1010112011021), we get a palindrome (2211214121122).

It can be divided in two parts, 12011021 and 10101, that multiplied together give a palindrome (121323323121).

The spelling of 1201102110101 in words is "one trillion, two hundred one billion, one hundred two million, one hundred ten thousand, one hundred one".