102101120154 has 48 divisors (see below), whose sum is σ = 254031504480. Its totient is φ = 29311325280.

The previous prime is 102101120153. The next prime is 102101120167. The reversal of 102101120154 is 451021101201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102101120153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13566297 + ... + 13573820.

It is an arithmetic number, because the mean of its divisors is an integer number (5292323010).

Almost surely, 2^102101120154 is an apocalyptic number.

102101120154 is an abundant number, since it is smaller than the sum of its proper divisors (151930384326).

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

102101120154 is a wasteful number, since it uses less digits than its factorization.

102101120154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27140155 (or 27140152 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 102101120154 its reverse (451021101201), we get a palindrome (553122221355).

The spelling of 102101120154 in words is "one hundred two billion, one hundred one million, one hundred twenty thousand, one hundred fifty-four".