1101120100210 has 64 divisors (see below), whose sum is σ = 2208189410784. Its totient is φ = 392723712000.

The previous prime is 1101120100181. The next prime is 1101120100271. The reversal of 1101120100210 is 120010211011.

It can be written as a sum of positive squares in 16 ways, for example, as 11378275561 + 1089741824649 = 106669^2 + 1043907^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484389 + ... + 1561048.

Almost surely, 2^{1101120100210} is an apocalyptic number.

1101120100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101120100210 is an abundant number, since it is smaller than the sum of its proper divisors (1107069310574).

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

1101120100210 is a wasteful number, since it uses less digits than its factorization.

1101120100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045599.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1101120100210 its reverse (120010211011), we get a palindrome (1221130311221).

The spelling of 1101120100210 in words is "one trillion, one hundred one billion, one hundred twenty million, one hundred thousand, two hundred ten".