102111101121201 has 8 divisors (see below), whose sum is σ = 136148554151904. Its totient is φ = 68073857752320.

The previous prime is 102111101121199. The next prime is 102111101121229. The reversal of 102111101121201 is 102121101111201.

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

It is not a de Polignac number, because 102111101121201 - 2¹ = 102111101121199 is a prime.

It is a super-2 number, since 2×102111101121201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102111101121101) 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, 51275515 + ... + 53229696.

It is an arithmetic number, because the mean of its divisors is an integer number (17018569268988).

Almost surely, 2^{102111101121201} is an apocalyptic number.

It is an amenable number.

102111101121201 is a deficient number, since it is larger than the sum of its proper divisors (34037453030703).

102111101121201 is a wasteful number, since it uses less digits than its factorization.

102111101121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104830911.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102111101121201 its reverse (102121101111201), we get a palindrome (204232202232402).

The spelling of 102111101121201 in words is "one hundred two trillion, one hundred eleven billion, one hundred one million, one hundred twenty-one thousand, two hundred one".