21201200201010 has 32 divisors (see below), whose sum is σ = 50883389786880. Its totient is φ = 5653596797568.

The previous prime is 21201200201009. The next prime is 21201200201011. The reversal of 21201200201010 is 1010200210212.

It is an interprime number because it is at equal distance from previous prime (21201200201009) and next prime (21201200201011).

It is not an unprimeable number, because it can be changed into a prime (21201200201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445387 + ... + 6526926.

It is an arithmetic number, because the mean of its divisors is an integer number (1590105930840).

Almost surely, 2^{21201200201010} is an apocalyptic number.

21201200201010 is an abundant number, since it is smaller than the sum of its proper divisors (29682189585870).

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

21201200201010 is a wasteful number, since it uses less digits than its factorization.

21201200201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073682.

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

Adding to 21201200201010 its reverse (1010200210212), we get a palindrome (22211400411222).

The spelling of 21201200201010 in words is "twenty-one trillion, two hundred one billion, two hundred million, two hundred one thousand, ten".