1101200102 has 4 divisors (see below), whose sum is σ = 1651800156. Its totient is φ = 550600050.

The previous prime is 1101200101. The next prime is 1101200123. The reversal of 1101200102 is 2010021011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2010021011 = 4363 ⋅460697.

It is a self number, because there is not a number n which added to its sum of digits gives 1101200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101200101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275300024 + ... + 275300027.

It is an arithmetic number, because the mean of its divisors is an integer number (412950039).

Almost surely, 2^1101200102 is an apocalyptic number.

1101200102 is a deficient number, since it is larger than the sum of its proper divisors (550600054).

1101200102 is an equidigital number, since it uses as much as digits as its factorization.

1101200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550600053.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1101200102 is about 33184.3351899658. The cubic root of 1101200102 is about 1032.6553855103.

Adding to 1101200102 its reverse (2010021011), we get a palindrome (3111221113).

The spelling of 1101200102 in words is "one billion, one hundred one million, two hundred thousand, one hundred two".