1101200100210 has 96 divisors (see below), whose sum is σ = 3272303878272. Its totient is φ = 251690077440.

The previous prime is 1101200100191. The next prime is 1101200100229. The reversal of 1101200100210 is 120010021011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101200100191) and next prime (1101200100229).

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

It is a junction number, because it is equal to n+sod(n) for n = 1101200100192 and 1101200100201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18458830 + ... + 18518390.

It is an arithmetic number, because the mean of its divisors is an integer number (34086498732).

Almost surely, 2^{1101200100210} is an apocalyptic number.

1101200100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101200100210 is an abundant number, since it is smaller than the sum of its proper divisors (2171103778062).

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

1101200100210 is a wasteful number, since it uses less digits than its factorization.

1101200100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88928 (or 88925 counting only the distinct ones).

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

Adding to 1101200100210 its reverse (120010021011), we get a palindrome (1221210121221).

The spelling of 1101200100210 in words is "one trillion, one hundred one billion, two hundred million, one hundred thousand, two hundred ten".