1011202243040 has 48 divisors (see below), whose sum is σ = 2606143967280. Its totient is φ = 367709905920.

The previous prime is 1011202243021. The next prime is 1011202243043. The reversal of 1011202243040 is 403422021101.

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 (1011202243043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287271605 + ... + 287275124.

It is an arithmetic number, because the mean of its divisors is an integer number (54294665985).

Almost surely, 2^{1011202243040} is an apocalyptic number.

1011202243040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011202243040 is an abundant number, since it is smaller than the sum of its proper divisors (1594941724240).

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

1011202243040 is a wasteful number, since it uses less digits than its factorization.

1011202243040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574546755 (or 574546747 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1011202243040 its reverse (403422021101), we get a palindrome (1414624264141).

The spelling of 1011202243040 in words is "one trillion, eleven billion, two hundred two million, two hundred forty-three thousand, forty".