1100102100210 has 40 divisors (see below), whose sum is σ = 2958052316076. Its totient is φ = 293360559840.

The previous prime is 1100102100197. The next prime is 1100102100221. The reversal of 1100102100210 is 120012010011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1055022742449 + 45079357761 = 1027143^2 + 212319^2 .

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 = 1100102100192 and 1100102100201.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 679074561 + ... + 679076180.

Almost surely, 2^{1100102100210} is an apocalyptic number.

1100102100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100102100210 is an abundant number, since it is smaller than the sum of its proper divisors (1857950215866).

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

1100102100210 is a wasteful number, since it uses less digits than its factorization.

1100102100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358150760 (or 1358150751 counting only the distinct ones).

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

Adding to 1100102100210 its reverse (120012010011), we get a palindrome (1220114110221).

The spelling of 1100102100210 in words is "one trillion, one hundred billion, one hundred two million, one hundred thousand, two hundred ten".