102201220011001 has 4 divisors (see below), whose sum is σ = 102730760011252. Its totient is φ = 101671680010752.

The previous prime is 102201220010993. The next prime is 102201220011019. The reversal of 102201220011001 is 100110022102201.

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 16084230565225 + 86116989445776 = 4010515^2 + 9279924^2 .

It is a cyclic number.

It is not a de Polignac number, because 102201220011001 - 2³ = 102201220010993 is a prime.

It is a super-2 number, since 2×102201220011001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201220011061) 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, 264769999836 + ... + 264770000221.

It is an arithmetic number, because the mean of its divisors is an integer number (25682690002813).

Almost surely, 2^{102201220011001} is an apocalyptic number.

It is an amenable number.

102201220011001 is a deficient number, since it is larger than the sum of its proper divisors (529540000251).

102201220011001 is an equidigital number, since it uses as much as digits as its factorization.

102201220011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529540000250.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102201220011001 its reverse (100110022102201), we get a palindrome (202311242113202).

The spelling of 102201220011001 in words is "one hundred two trillion, two hundred one billion, two hundred twenty million, eleven thousand, one".