33101221043040 has 96 divisors (see below), whose sum is σ = 104269643089920. Its totient is φ = 8826924824064.

The previous prime is 33101221042973. The next prime is 33101221043227. The reversal of 33101221043040 is 4034012210133.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-5 number, since 5×33101221043040⁵ (a number of 69 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 33101221043040.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 115953601 + ... + 116238719.

It is an arithmetic number, because the mean of its divisors is an integer number (1086142115520).

Almost surely, 2^{33101221043040} is an apocalyptic number.

33101221043040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33101221043040 is an abundant number, since it is smaller than the sum of its proper divisors (71168422046880).

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

33101221043040 is a wasteful number, since it uses less digits than its factorization.

33101221043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527004 (or 526996 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33101221043040 its reverse (4034012210133), we get a palindrome (37135233253173).

The spelling of 33101221043040 in words is "thirty-three trillion, one hundred one billion, two hundred twenty-one million, forty-three thousand, forty".