102200120001 has 48 divisors (see below), whose sum is σ = 176631960960. Its totient is φ = 55706837760.

The previous prime is 102200119999. The next prime is 102200120021. The reversal of 102200120001 is 100021002201.

It is not a de Polignac number, because 102200120001 - 2¹ = 102200119999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (102200120021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185340 + ... + 488621.

It is an arithmetic number, because the mean of its divisors is an integer number (3679832520).

Almost surely, 2^102200120001 is an apocalyptic number.

It is an amenable number.

102200120001 is a deficient number, since it is larger than the sum of its proper divisors (74431840959).

102200120001 is a wasteful number, since it uses less digits than its factorization.

102200120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674086 (or 674083 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102200120001 its reverse (100021002201), we get a palindrome (202221122202).

The spelling of 102200120001 in words is "one hundred two billion, two hundred million, one hundred twenty thousand, one".