1001201102010 has 48 divisors (see below), whose sum is σ = 2641975461216. Its totient is φ = 263002078944.

The previous prime is 1001201102003. The next prime is 1001201102021. The reversal of 1001201102010 is 102011021001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1001201101983 and 1001201102001.

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, 83012304 + ... + 83024363.

It is an arithmetic number, because the mean of its divisors is an integer number (55041155442).

Almost surely, 2^{1001201102010} is an apocalyptic number.

1001201102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001201102010 is an abundant number, since it is smaller than the sum of its proper divisors (1640774359206).

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

1001201102010 is a wasteful number, since it uses less digits than its factorization.

1001201102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166036747 (or 166036744 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001201102010 its reverse (102011021001), we get a palindrome (1103212123011).

The spelling of 1001201102010 in words is "one trillion, one billion, two hundred one million, one hundred two thousand, ten".