102102011211121 has 8 divisors (see below), whose sum is σ = 103345623551520. Its totient is φ = 100858719528672.

The previous prime is 102102011211071. The next prime is 102102011211139. The reversal of 102102011211121 is 121112110201201.

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 102102011211121 - 2³¹ = 102099863727473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102011211095 and 102102011211104.

It is not an unprimeable number, because it can be changed into a prime (102102011211521) 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, 79523751 + ... + 80797468.

It is an arithmetic number, because the mean of its divisors is an integer number (12918202943940).

Almost surely, 2^{102102011211121} is an apocalyptic number.

It is an amenable number.

102102011211121 is a deficient number, since it is larger than the sum of its proper divisors (1243612340399).

102102011211121 is an equidigital number, since it uses as much as digits as its factorization.

102102011211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160328975.

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

Adding to 102102011211121 its reverse (121112110201201), we get a palindrome (223214121412322).

The spelling of 102102011211121 in words is "one hundred two trillion, one hundred two billion, eleven million, two hundred eleven thousand, one hundred twenty-one".