20211200221010 has 8 divisors (see below), whose sum is σ = 36380160397836. Its totient is φ = 8084480088400.

The previous prime is 20211200220947. The next prime is 20211200221087. The reversal of 20211200221010 is 1012200211202.

It can be written as a sum of positive squares in 2 ways, for example, as 19787791032409 + 423409188601 = 4448347^2 + 650699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20211200221010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010560011041 + ... + 1010560011060.

Almost surely, 2^{20211200221010} is an apocalyptic number.

20211200221010 is a deficient number, since it is larger than the sum of its proper divisors (16168960176826).

20211200221010 is a wasteful number, since it uses less digits than its factorization.

20211200221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021120022108.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211200221010 its reverse (1012200211202), we get a palindrome (21223400432212).

The spelling of 20211200221010 in words is "twenty trillion, two hundred eleven billion, two hundred million, two hundred twenty-one thousand, ten".