101220120020099 has 2 divisors, whose sum is σ = 101220120020100. Its totient is φ = 101220120020098.

The previous prime is 101220120020087. The next prime is 101220120020143. The reversal of 101220120020099 is 990020021022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101220120020099 - 2⁴ = 101220120020083 is a prime.

It is not a weakly prime, because it can be changed into another prime (101220120020009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610060010049 + 50610060010050.

It is an arithmetic number, because the mean of its divisors is an integer number (50610060010050).

Almost surely, 2^{101220120020099} is an apocalyptic number.

101220120020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220120020099 is an equidigital number, since it uses as much as digits as its factorization.

101220120020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 101220120020099 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty million, twenty thousand, ninety-nine".