102012121222201 has 8 divisors (see below), whose sum is σ = 102106728375560. Its totient is φ = 101917516401792.

The previous prime is 102012121222177. The next prime is 102012121222223. The reversal of 102012121222201 is 102222121210201.

It can be written as a sum of positive squares in 4 ways, for example, as 14881471237801 + 87130649984400 = 3857651^2 + 9334380^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102012121222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012125222201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94014901 + ... + 95093773.

It is an arithmetic number, because the mean of its divisors is an integer number (12763341046945).

Almost surely, 2^{102012121222201} is an apocalyptic number.

It is an amenable number.

102012121222201 is a deficient number, since it is larger than the sum of its proper divisors (94607153359).

102012121222201 is a wasteful number, since it uses less digits than its factorization.

102012121222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166475.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102012121222201 its reverse (102222121210201), we get a palindrome (204234242432402).

The spelling of 102012121222201 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred one".