101211222201 has 4 divisors (see below), whose sum is σ = 134948296272. Its totient is φ = 67474148132.

The previous prime is 101211222197. The next prime is 101211222223. The reversal of 101211222201 is 102222112101.

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 101211222201 - 2² = 101211222197 is a prime.

It is a super-2 number, since 2×101211222201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101211222251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16868537031 + ... + 16868537036.

It is an arithmetic number, because the mean of its divisors is an integer number (33737074068).

Almost surely, 2^101211222201 is an apocalyptic number.

It is an amenable number.

101211222201 is a deficient number, since it is larger than the sum of its proper divisors (33737074071).

101211222201 is an equidigital number, since it uses as much as digits as its factorization.

101211222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737074070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101211222201 its reverse (102222112101), we get a palindrome (203433334302).

It can be divided in two parts, 10121 and 1222201, that multiplied together give a palindrome (12369896321).

The spelling of 101211222201 in words is "one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred one".