101201121221019 has 4 divisors (see below), whose sum is σ = 134934828294696. Its totient is φ = 67467414147344.

The previous prime is 101201121220987. The next prime is 101201121221023. The reversal of 101201121221019 is 910122121102101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101201121221019 - 2⁵ = 101201121220987 is a prime.

It is a super-2 number, since 2×101201121221019² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101201121221019.

It is not an unprimeable number, because it can be changed into a prime (101201121221029) 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 in 3 ways as a sum of consecutive naturals, for example, 16866853536834 + ... + 16866853536839.

It is an arithmetic number, because the mean of its divisors is an integer number (33733707073674).

Almost surely, 2^{101201121221019} is an apocalyptic number.

101201121221019 is a deficient number, since it is larger than the sum of its proper divisors (33733707073677).

101201121221019 is an equidigital number, since it uses as much as digits as its factorization.

101201121221019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33733707073676.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 101201121221019 in words is "one hundred one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, nineteen".