102111000020201 has 8 divisors (see below), whose sum is σ = 108427321787400. Its totient is φ = 95829099625728.

The previous prime is 102111000020189. The next prime is 102111000020233. The reversal of 102111000020201 is 102020000111201.

It can be written as a sum of positive squares in 4 ways, for example, as 12498176396176 + 89612823624025 = 3535276^2 + 9466405^2 .

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 102111000020201 - 2²² = 102110995825897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111000020801) 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, 8605337066 + ... + 8605348931.

It is an arithmetic number, because the mean of its divisors is an integer number (13553415223425).

Almost surely, 2^{102111000020201} is an apocalyptic number.

It is an amenable number.

102111000020201 is a deficient number, since it is larger than the sum of its proper divisors (6316321767199).

102111000020201 is a wasteful number, since it uses less digits than its factorization.

102111000020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17210686363.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102111000020201 its reverse (102020000111201), we get a palindrome (204131000131402).

The spelling of 102111000020201 in words is "one hundred two trillion, one hundred eleven billion, twenty thousand, two hundred one".