102122011240 has 64 divisors (see below), whose sum is σ = 232023087360. Its totient is φ = 40449396480.

The previous prime is 102122011231. The next prime is 102122011247. The reversal of 102122011240 is 42110221201.

It is not an unprimeable number, because it can be changed into a prime (102122011247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14604145 + ... + 14611135.

It is an arithmetic number, because the mean of its divisors is an integer number (3625360740).

Almost surely, 2^102122011240 is an apocalyptic number.

102122011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122011240 is an abundant number, since it is smaller than the sum of its proper divisors (129901076120).

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

102122011240 is a wasteful number, since it uses less digits than its factorization.

102122011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522 (or 10518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122011240 its reverse (42110221201), we get a palindrome (144232232441).

The spelling of 102122011240 in words is "one hundred two billion, one hundred twenty-two million, eleven thousand, two hundred forty".