32121100213444 has 48 divisors (see below), whose sum is σ = 61371105094656. Its totient is φ = 14588834551200.

The previous prime is 32121100213409. The next prime is 32121100213463. The reversal of 32121100213444 is 44431200112123.

It is a happy number.

It is a super-2 number, since 2×32121100213444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 753234787 + ... + 753277429.

It is an arithmetic number, because the mean of its divisors is an integer number (1278564689472).

Almost surely, 2^{32121100213444} is an apocalyptic number.

It is an amenable number.

32121100213444 is a deficient number, since it is larger than the sum of its proper divisors (29250004881212).

32121100213444 is a wasteful number, since it uses less digits than its factorization.

32121100213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55936 (or 55934 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 32121100213444 its reverse (44431200112123), we get a palindrome (76552300325567).

The spelling of 32121100213444 in words is "thirty-two trillion, one hundred twenty-one billion, one hundred million, two hundred thirteen thousand, four hundred forty-four".