102211011222121 has 8 divisors (see below), whose sum is σ = 105735936081600. Its totient is φ = 98686113511440.

The previous prime is 102211011222101. The next prime is 102211011222167. The reversal of 102211011222121 is 121222110112201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102211011222121 - 2¹³ = 102211011213929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211011222101) 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, 1024740 + ... + 14334298.

It is an arithmetic number, because the mean of its divisors is an integer number (13216992010200).

Almost surely, 2^{102211011222121} is an apocalyptic number.

It is an amenable number.

102211011222121 is a deficient number, since it is larger than the sum of its proper divisors (3524924859479).

102211011222121 is a wasteful number, since it uses less digits than its factorization.

102211011222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13574399.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102211011222121 its reverse (121222110112201), we get a palindrome (223433121334322).

The spelling of 102211011222121 in words is "one hundred two trillion, two hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred twenty-one".