201122121201101 has 4 divisors (see below), whose sum is σ = 201184912999872. Its totient is φ = 201059329402332.

The previous prime is 201122121201073. The next prime is 201122121201107. The reversal of 201122121201101 is 101102121221102.

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 a de Polignac number, because none of the positive numbers 2^k-201122121201101 is a prime.

It is a super-2 number, since 2×201122121201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122121201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122121201107) 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, 31395894581 + ... + 31395900986.

It is an arithmetic number, because the mean of its divisors is an integer number (50296228249968).

Almost surely, 2^{201122121201101} is an apocalyptic number.

It is an amenable number.

201122121201101 is a deficient number, since it is larger than the sum of its proper divisors (62791798771).

201122121201101 is an equidigital number, since it uses as much as digits as its factorization.

201122121201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62791798770.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201122121201101 its reverse (101102121221102), we get a palindrome (302224242422203).

The spelling of 201122121201101 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, one hundred one".