102011122120 has 32 divisors (see below), whose sum is σ = 229791064320. Its totient is φ = 40757152960.

The previous prime is 102011122079. The next prime is 102011122121. The reversal of 102011122120 is 21221110201.

It is a self number, because there is not a number n which added to its sum of digits gives 102011122120.

It is not an unprimeable number, because it can be changed into a prime (102011122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443046 + ... + 1512085.

It is an arithmetic number, because the mean of its divisors is an integer number (7180970760).

Almost surely, 2^102011122120 is an apocalyptic number.

102011122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011122120 is an abundant number, since it is smaller than the sum of its proper divisors (127779942200).

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

102011122120 is a wasteful number, since it uses less digits than its factorization.

102011122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956005 (or 2956001 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102011122120 its reverse (21221110201), we get a palindrome (123232232321).

The spelling of 102011122120 in words is "one hundred two billion, eleven million, one hundred twenty-two thousand, one hundred twenty".