1011200110002 has 32 divisors (see below), whose sum is σ = 2344811852160. Its totient is φ = 322411628880.

The previous prime is 1011200110001. The next prime is 1011200110009. The reversal of 1011200110002 is 2000110021101.

It is a happy number.

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 (1011200110001) 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, 407084149 + ... + 407086632.

It is an arithmetic number, because the mean of its divisors is an integer number (73275370380).

Almost surely, 2^{1011200110002} is an apocalyptic number.

1011200110002 is an abundant number, since it is smaller than the sum of its proper divisors (1333611742158).

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

1011200110002 is a wasteful number, since it uses less digits than its factorization.

1011200110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814170815 (or 814170809 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011200110002 its reverse (2000110021101), we get a palindrome (3011310131103).

The spelling of 1011200110002 in words is "one trillion, eleven billion, two hundred million, one hundred ten thousand, two".