1021434211152 has 120 divisors (see below), whose sum is σ = 2878414707168. Its totient is φ = 338124729600.

The previous prime is 1021434211129. The next prime is 1021434211159. The reversal of 1021434211152 is 2511124341201.

1021434211152 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 434 + 211 + 15 + 2 = 666.

1021434211152 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021434211159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13970563 + ... + 14043485.

Almost surely, 2^{1021434211152} is an apocalyptic number.

1021434211152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021434211152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439207353584).

1021434211152 is an abundant number, since it is smaller than the sum of its proper divisors (1856980496016).

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

1021434211152 is a wasteful number, since it uses less digits than its factorization.

1021434211152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73609 (or 73600 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1021434211152 its reverse (2511124341201), we get a palindrome (3532558552353).

The spelling of 1021434211152 in words is "one trillion, twenty-one billion, four hundred thirty-four million, two hundred eleven thousand, one hundred fifty-two".