101102240 has 24 divisors (see below), whose sum is σ = 238854420. Its totient is φ = 40440832.

The previous prime is 101102233. The next prime is 101102251. The reversal of 101102240 is 42201101.

It can be written as a sum of positive squares in 2 ways, for example, as 101042704 + 59536 = 10052^2 + 244^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315785 + ... + 316104.

Almost surely, 2^101102240 is an apocalyptic number.

101102240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101102240 is an abundant number, since it is smaller than the sum of its proper divisors (137752180).

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

101102240 is an equidigital number, since it uses as much as digits as its factorization.

101102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631904 (or 631896 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101102240 is about 10054.9609646184. The cubic root of 101102240 is about 465.8580372764.

Adding to 101102240 its reverse (42201101), we get a palindrome (143303341).

It can be divided in two parts, 101 and 102240, that multiplied together give a triangular number (10326240 = T₄₅₄₄).

The spelling of 101102240 in words is "one hundred one million, one hundred two thousand, two hundred forty".