101011111221201 has 4 divisors (see below), whose sum is σ = 134681481628272. Its totient is φ = 67340740814132.

The previous prime is 101011111221169. The next prime is 101011111221239. The reversal of 101011111221201 is 102122111110101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101011111221201 - 2⁵ = 101011111221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101011111221001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16835185203531 + ... + 16835185203536.

It is an arithmetic number, because the mean of its divisors is an integer number (33670370407068).

Almost surely, 2^{101011111221201} is an apocalyptic number.

It is an amenable number.

101011111221201 is a deficient number, since it is larger than the sum of its proper divisors (33670370407071).

101011111221201 is an equidigital number, since it uses as much as digits as its factorization.

101011111221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670370407070.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101011111221201 its reverse (102122111110101), we get a palindrome (203133222331302).

The spelling of 101011111221201 in words is "one hundred one trillion, eleven billion, one hundred eleven million, two hundred twenty-one thousand, two hundred one".