1021211332432 has 20 divisors (see below), whose sum is σ = 1979906465376. Its totient is φ = 510267728480.

The previous prime is 1021211332423. The next prime is 1021211332441. The reversal of 1021211332432 is 2342331121201.

1021211332432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021211332423) and next prime (1021211332441).

It is a junction number, because it is equal to n+sod(n) for n = 1021211332397 and 1021211332406.

It is a congruent number.

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, 21096178 + ... + 21144529.

Almost surely, 2^{1021211332432} is an apocalyptic number.

It is an amenable number.

1021211332432 is a deficient number, since it is larger than the sum of its proper divisors (958695132944).

1021211332432 is a wasteful number, since it uses less digits than its factorization.

1021211332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42242226 (or 42242220 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1021211332432 its reverse (2342331121201), we get a palindrome (3363542453633).

The spelling of 1021211332432 in words is "one trillion, twenty-one billion, two hundred eleven million, three hundred thirty-two thousand, four hundred thirty-two".