102201122001021 has 16 divisors (see below), whose sum is σ = 138334755748800. Its totient is φ = 67103486225280.

The previous prime is 102201122001007. The next prime is 102201122001037. The reversal of 102201122001021 is 120100221102201.

It is not a de Polignac number, because 102201122001021 - 2¹¹ = 102201121998973 is a prime.

It is a super-2 number, since 2×102201122001021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201122001521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337527246 + ... + 337829903.

It is an arithmetic number, because the mean of its divisors is an integer number (8645922234300).

Almost surely, 2^{102201122001021} is an apocalyptic number.

It is an amenable number.

102201122001021 is a deficient number, since it is larger than the sum of its proper divisors (36133633747779).

102201122001021 is an equidigital number, since it uses as much as digits as its factorization.

102201122001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675357916.

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

Adding to 102201122001021 its reverse (120100221102201), we get a palindrome (222301343103222).

The spelling of 102201122001021 in words is "one hundred two trillion, two hundred one billion, one hundred twenty-two million, one thousand, twenty-one".