201101022211021 has 8 divisors (see below), whose sum is σ = 210003638613120. Its totient is φ = 192211663617072.

The previous prime is 201101022211009. The next prime is 201101022211049. The reversal of 201101022211021 is 120112220101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201101022211021 - 2⁵ = 201101022210989 is a prime.

It is a super-2 number, since 2×201101022211021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101022210986 and 201101022211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101022218021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3314421030 + ... + 3314481703.

It is an arithmetic number, because the mean of its divisors is an integer number (26250454826640).

Almost surely, 2^{201101022211021} is an apocalyptic number.

It is an amenable number.

201101022211021 is a deficient number, since it is larger than the sum of its proper divisors (8902616402099).

201101022211021 is a wasteful number, since it uses less digits than its factorization.

201101022211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628904075.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201101022211021 its reverse (120112220101102), we get a palindrome (321213242312123).

The spelling of 201101022211021 in words is "two hundred one trillion, one hundred one billion, twenty-two million, two hundred eleven thousand, twenty-one".