102101212221102 has 12 divisors (see below), whose sum is σ = 221219293145760. Its totient is φ = 34033737407028.

The previous prime is 102101212221091. The next prime is 102101212221133. The reversal of 102101212221102 is 201122212101201.

102101212221102 is a `hidden beast` number, since 1 + 0 + 210 + 121 + 222 + 110 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5672289567839 = 102101212221102 / (1 + 0 + 2 + 1 + 0 + 1 + 2 + 1 + 2 + 2 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2836144783902 + ... + 2836144783937.

It is an arithmetic number, because the mean of its divisors is an integer number (18434941095480).

Almost surely, 2^{102101212221102} is an apocalyptic number.

102101212221102 is an abundant number, since it is smaller than the sum of its proper divisors (119118080924658).

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

102101212221102 is a wasteful number, since it uses less digits than its factorization.

102101212221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672289567847 (or 5672289567844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102101212221102 its reverse (201122212101201), we get a palindrome (303223424322303).

The spelling of 102101212221102 in words is "one hundred two trillion, one hundred one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".