1000021241100 has 144 divisors (see below), whose sum is σ = 3480775827200. Its totient is φ = 216545944320.

The previous prime is 1000021241077. The next prime is 1000021241137. The reversal of 1000021241100 is 11421200001.

It is a happy number.

1000021241100 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 Harshad number since it is a multiple of its sum of digits (12).

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, 12491695 + ... + 12571494.

Almost surely, 2^{1000021241100} is an apocalyptic number.

1000021241100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000021241100 is an abundant number, since it is smaller than the sum of its proper divisors (2480754586100).

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

1000021241100 is a wasteful number, since it uses less digits than its factorization.

1000021241100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25063232 (or 25063225 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000021241100 its reverse (11421200001), we get a palindrome (1011442441101).

The spelling of 1000021241100 in words is "one trillion, twenty-one million, two hundred forty-one thousand, one hundred".