21000201231110 has 8 divisors (see below), whose sum is σ = 37800362216016. Its totient is φ = 8400080492440.

The previous prime is 21000201231077. The next prime is 21000201231127. The reversal of 21000201231110 is 1113210200012.

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

It is a super-2 number, since 2×21000201231110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 1050010061546 + ... + 1050010061565.

It is an arithmetic number, because the mean of its divisors is an integer number (4725045277002).

Almost surely, 2^{21000201231110} is an apocalyptic number.

21000201231110 is a deficient number, since it is larger than the sum of its proper divisors (16800160984906).

21000201231110 is a wasteful number, since it uses less digits than its factorization.

21000201231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100020123118.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21000201231110 its reverse (1113210200012), we get a palindrome (22113411431122).

The spelling of 21000201231110 in words is "twenty-one trillion, two hundred one million, two hundred thirty-one thousand, one hundred ten".