1102240220240 has 40 divisors (see below), whose sum is σ = 2562955388928. Its totient is φ = 440853614720.

The previous prime is 1102240220209. The next prime is 1102240220243. The reversal of 1102240220240 is 420220422011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1102240220240² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102240220243) 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, 178625 + ... + 1495455.

Almost surely, 2^{1102240220240} is an apocalyptic number.

1102240220240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102240220240 is an abundant number, since it is smaller than the sum of its proper divisors (1460715168688).

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

1102240220240 is a wasteful number, since it uses less digits than its factorization.

1102240220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327307 (or 1327301 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1102240220240 its reverse (420220422011), we get a palindrome (1522460642251).

The spelling of 1102240220240 in words is "one trillion, one hundred two billion, two hundred forty million, two hundred twenty thousand, two hundred forty".