4021121420300 has 144 divisors (see below), whose sum is σ = 9302254617600. Its totient is φ = 1505245885440.

The previous prime is 4021121420233. The next prime is 4021121420311. The reversal of 4021121420300 is 30241211204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 437692307 + ... + 437701493.

It is an arithmetic number, because the mean of its divisors is an integer number (64598990400).

Almost surely, 2^{4021121420300} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021121420300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4651127308800).

4021121420300 is an abundant number, since it is smaller than the sum of its proper divisors (5281133197300).

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

4021121420300 is a wasteful number, since it uses less digits than its factorization.

4021121420300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320 (or 13313 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4021121420300 its reverse (30241211204), we get a palindrome (4051362631504).

The spelling of 4021121420300 in words is "four trillion, twenty-one billion, one hundred twenty-one million, four hundred twenty thousand, three hundred".