21203301201000 has 64 divisors (see below), whose sum is σ = 66154299756480. Its totient is φ = 5654213652800.

The previous prime is 21203301200987. The next prime is 21203301201011. The reversal of 21203301201000 is 10210330212.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3533880534 + ... + 3533886533.

It is an arithmetic number, because the mean of its divisors is an integer number (1033660933695).

Almost surely, 2^{21203301201000} is an apocalyptic number.

21203301201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21203301201000 is an abundant number, since it is smaller than the sum of its proper divisors (44950998555480).

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

21203301201000 is a wasteful number, since it uses less digits than its factorization.

21203301201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067767091 (or 7067767077 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21203301201000 its reverse (10210330212), we get a palindrome (21213511531212).

The spelling of 21203301201000 in words is "twenty-one trillion, two hundred three billion, three hundred one million, two hundred one thousand".