2231211204044 has 24 divisors (see below), whose sum is σ = 3949702437408. Its totient is φ = 1102798609920.

The previous prime is 2231211204037. The next prime is 2231211204059. The reversal of 2231211204044 is 4404021121322.

It is a super-3 number, since 3×2231211204044³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105989 + ... + 9347804.

It is an arithmetic number, because the mean of its divisors is an integer number (164570934892).

Almost surely, 2^{2231211204044} is an apocalyptic number.

It is an amenable number.

2231211204044 is a deficient number, since it is larger than the sum of its proper divisors (1718491233364).

2231211204044 is a wasteful number, since it uses less digits than its factorization.

2231211204044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18454145 (or 18454143 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2231211204044 its reverse (4404021121322), we get a palindrome (6635232325366).

The spelling of 2231211204044 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, two hundred four thousand, forty-four".