10201001221000 has 64 divisors (see below), whose sum is σ = 23912148648960. Its totient is φ = 4073254200000.

The previous prime is 10201001220973. The next prime is 10201001221013. The reversal of 10201001221000 is 12210010201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8361576 + ... + 9503575.

It is an arithmetic number, because the mean of its divisors is an integer number (373627322640).

Almost surely, 2^{10201001221000} is an apocalyptic number.

10201001221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201001221000 is an abundant number, since it is smaller than the sum of its proper divisors (13711147427960).

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

10201001221000 is a wasteful number, since it uses less digits than its factorization.

10201001221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17865743 (or 17865729 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10201001221000 its reverse (12210010201), we get a palindrome (10213211231201).

The spelling of 10201001221000 in words is "ten trillion, two hundred one billion, one million, two hundred twenty-one thousand".