1102121110 has 16 divisors (see below), whose sum is σ = 1985182416. Its totient is φ = 440545248.

The previous prime is 1102121071. The next prime is 1102121117. The reversal of 1102121110 is 111212011.

It is a super-2 number, since 2×1102121110² = 2429341882215264200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102121117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22329 + ... + 51988.

It is an arithmetic number, because the mean of its divisors is an integer number (124073901).

Almost surely, 2^1102121110 is an apocalyptic number.

1102121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102121110 is a deficient number, since it is larger than the sum of its proper divisors (883061306).

1102121110 is a wasteful number, since it uses less digits than its factorization.

1102121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75807.

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

The square root of 1102121110 is about 33198.2094396671. The cubic root of 1102121110 is about 1032.9431984278.

Adding to 1102121110 its reverse (111212011), we get a palindrome (1213333121).

Subtracting from 1102121110 its reverse (111212011), we obtain a palindrome (990909099).

It can be divided in two parts, 11021 and 21110, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 1102121110 in words is "one billion, one hundred two million, one hundred twenty-one thousand, one hundred ten".