21201011223410 has 16 divisors (see below), whose sum is σ = 39821029776576. Its totient is φ = 8111691250608.

The previous prime is 21201011223331. The next prime is 21201011223419. The reversal of 21201011223410 is 1432211010212.

It is not an unprimeable number, because it can be changed into a prime (21201011223419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46089154604 + ... + 46089155063.

It is an arithmetic number, because the mean of its divisors is an integer number (2488814361036).

Almost surely, 2^{21201011223410} is an apocalyptic number.

21201011223410 is a deficient number, since it is larger than the sum of its proper divisors (18620018553166).

21201011223410 is a wasteful number, since it uses less digits than its factorization.

21201011223410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92178309697.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21201011223410 its reverse (1432211010212), we get a palindrome (22633222233622).

The spelling of 21201011223410 in words is "twenty-one trillion, two hundred one billion, eleven million, two hundred twenty-three thousand, four hundred ten".