102112221201101 has 4 divisors (see below), whose sum is σ = 102682680537600. Its totient is φ = 101541761864604.

The previous prime is 102112221201041. The next prime is 102112221201139. The reversal of 102112221201101 is 101102122211201.

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 102112221201101 - 2²² = 102112217006797 is a prime.

It is a super-2 number, since 2×102112221201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102112221201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112221209101) 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, 285229667981 + ... + 285229668338.

It is an arithmetic number, because the mean of its divisors is an integer number (25670670134400).

Almost surely, 2^{102112221201101} is an apocalyptic number.

It is an amenable number.

102112221201101 is a deficient number, since it is larger than the sum of its proper divisors (570459336499).

102112221201101 is an equidigital number, since it uses as much as digits as its factorization.

102112221201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570459336498.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102112221201101 its reverse (101102122211201), we get a palindrome (203214343412302).

The spelling of 102112221201101 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, one hundred one".