101211222002201 has 4 divisors (see below), whose sum is σ = 101218409802804. Its totient is φ = 101204034201600.

The previous prime is 101211222002183. The next prime is 101211222002299. The reversal of 101211222002201 is 102200222112101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83132015640976 + 18079206361225 = 9117676^2 + 4251965^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211222002201 - 2¹⁰ = 101211222001177 is a prime.

It is a super-2 number, since 2×101211222002201² (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 101211222002201.

It is not an unprimeable number, because it can be changed into a prime (101211222002701) 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, 3593879180 + ... + 3593907341.

It is an arithmetic number, because the mean of its divisors is an integer number (25304602450701).

Almost surely, 2^{101211222002201} is an apocalyptic number.

It is an amenable number.

101211222002201 is a deficient number, since it is larger than the sum of its proper divisors (7187800603).

101211222002201 is an equidigital number, since it uses as much as digits as its factorization.

101211222002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187800602.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101211222002201 its reverse (102200222112101), we get a palindrome (203411444114302).

The spelling of 101211222002201 in words is "one hundred one trillion, two hundred eleven billion, two hundred twenty-two million, two thousand, two hundred one".