102101012102 has 8 divisors (see below), whose sum is σ = 154068593616. Its totient is φ = 50744814232.

The previous prime is 102101012099. The next prime is 102101012107. The reversal of 102101012102 is 201210101201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101012107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152845493 + ... + 152846160.

It is an arithmetic number, because the mean of its divisors is an integer number (19258574202).

Almost surely, 2^102101012102 is an apocalyptic number.

102101012102 is a deficient number, since it is larger than the sum of its proper divisors (51967581514).

102101012102 is a wasteful number, since it uses less digits than its factorization.

102101012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305691822.

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

Adding to 102101012102 its reverse (201210101201), we get a palindrome (303311113303).

The spelling of 102101012102 in words is "one hundred two billion, one hundred one million, twelve thousand, one hundred two".