1101201021929 has 2 divisors, whose sum is σ = 1101201021930. Its totient is φ = 1101201021928.

The previous prime is 1101201021911. The next prime is 1101201022021. The reversal of 1101201021929 is 9291201021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097507664400 + 3693357529 = 1047620^2 + 60773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101201021929 - 2¹⁶ = 1101200956393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101201024929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550600510964 + 550600510965.

It is an arithmetic number, because the mean of its divisors is an integer number (550600510965).

Almost surely, 2^{1101201021929} is an apocalyptic number.

It is an amenable number.

1101201021929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101201021929 is an equidigital number, since it uses as much as digits as its factorization.

1101201021929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1101201021929 in words is "one trillion, one hundred one billion, two hundred one million, twenty-one thousand, nine hundred twenty-nine".