102101110211208 has 128 divisors (see below), whose sum is σ = 260725383313920. Its totient is φ = 33313568440320.

The previous prime is 102101110211203. The next prime is 102101110211237. The reversal of 102101110211208 is 802112011101201.

It is a super-2 number, since 2×102101110211208² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102101110211203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85841010 + ... + 87022302.

It is an arithmetic number, because the mean of its divisors is an integer number (2036917057140).

Almost surely, 2^{102101110211208} is an apocalyptic number.

It is an amenable number.

102101110211208 is an abundant number, since it is smaller than the sum of its proper divisors (158624273102712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101110211208 is a wasteful number, since it uses less digits than its factorization.

102101110211208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181807 (or 1181803 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 21.

Adding to 102101110211208 its reverse (802112011101201), we get a palindrome (904213121312409).

The spelling of 102101110211208 in words is "one hundred two trillion, one hundred one billion, one hundred ten million, two hundred eleven thousand, two hundred eight".