21000030213110 has 32 divisors (see below), whose sum is σ = 40718107436832. Its totient is φ = 7751884631040.

The previous prime is 21000030213091. The next prime is 21000030213139. The reversal of 21000030213110 is 1131203000012.

It is a super-3 number, since 3×21000030213110³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

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, 20035739 + ... + 21057798.

It is an arithmetic number, because the mean of its divisors is an integer number (1272440857401).

Almost surely, 2^{21000030213110} is an apocalyptic number.

21000030213110 is a deficient number, since it is larger than the sum of its proper divisors (19718077223722).

21000030213110 is a wasteful number, since it uses less digits than its factorization.

21000030213110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41097488.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21000030213110 its reverse (1131203000012), we get a palindrome (22131233213122).

The spelling of 21000030213110 in words is "twenty-one trillion, thirty million, two hundred thirteen thousand, one hundred ten".