1021140424100 has 72 divisors (see below), whose sum is σ = 2238494643840. Its totient is φ = 404290529280.

The previous prime is 1021140424091. The next prime is 1021140424121. The reversal of 1021140424100 is 14240411201.

1021140424100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021140424100² (a number of 25 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 21740441 + ... + 21787359.

Almost surely, 2^{1021140424100} is an apocalyptic number.

1021140424100 is a gapful number since it is divisible by the number (10) 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 1021140424100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119247321920).

1021140424100 is an abundant number, since it is smaller than the sum of its proper divisors (1217354219740).

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

1021140424100 is a wasteful number, since it uses less digits than its factorization.

1021140424100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49149 (or 49142 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1021140424100 its reverse (14240411201), we get a palindrome (1035380835301).

The spelling of 1021140424100 in words is "one trillion, twenty-one billion, one hundred forty million, four hundred twenty-four thousand, one hundred".