1021421413350 has 432 divisors, whose sum is σ = 3240817157760. Its totient is φ = 228991795200.

The previous prime is 1021421413321. The next prime is 1021421413417. The reversal of 1021421413350 is 533141241201.

1021421413350 is a `hidden beast` number, since 1 + 0 + 214 + 2 + 1 + 413 + 35 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 52400406 + ... + 52419894.

Almost surely, 2^{1021421413350} is an apocalyptic number.

1021421413350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021421413350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620408578880).

1021421413350 is an abundant number, since it is smaller than the sum of its proper divisors (2219395744410).

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

1021421413350 is a wasteful number, since it uses less digits than its factorization.

1021421413350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19585 (or 19560 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1021421413350 its reverse (533141241201), we get a palindrome (1554562654551).

The spelling of 1021421413350 in words is "one trillion, twenty-one billion, four hundred twenty-one million, four hundred thirteen thousand, three hundred fifty".