102201111012 has 96 divisors (see below), whose sum is σ = 320182539264. Its totient is φ = 24503760000.

The previous prime is 102201110983. The next prime is 102201111059. The reversal of 102201111012 is 210111102201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4242114 + ... + 4266137.

It is an arithmetic number, because the mean of its divisors is an integer number (3335234784).

Almost surely, 2^102201111012 is an apocalyptic number.

102201111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102201111012 is an abundant number, since it is smaller than the sum of its proper divisors (217981428252).

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

102201111012 is a wasteful number, since it uses less digits than its factorization.

102201111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508289 (or 8508287 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102201111012 its reverse (210111102201), we get a palindrome (312312213213).

It can be divided in two parts, 10 and 2201111012, that added together give a palindrome (2201111022).

The spelling of 102201111012 in words is "one hundred two billion, two hundred one million, one hundred eleven thousand, twelve".