1001201010100 has 36 divisors (see below), whose sum is σ = 2267067335904. Its totient is φ = 383068211680.

The previous prime is 1001201010059. The next prime is 1001201010101. The reversal of 1001201010100 is 10101021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217650094 + ... + 217654693.

It is an arithmetic number, because the mean of its divisors is an integer number (62974092664).

Almost surely, 2^{1001201010100} is an apocalyptic number.

1001201010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001201010100 is an abundant number, since it is smaller than the sum of its proper divisors (1265866325804).

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

1001201010100 is a wasteful number, since it uses less digits than its factorization.

1001201010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435304824 (or 435304817 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001201010100 its reverse (10101021001), we get a palindrome (1011302031101).

The spelling of 1001201010100 in words is "one trillion, one billion, two hundred one million, ten thousand, one hundred".