21020212002110 has 8 divisors (see below), whose sum is σ = 37836381603816. Its totient is φ = 8408084800840.

The previous prime is 21020212002109. The next prime is 21020212002131. The reversal of 21020212002110 is 1120021202012.

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

It is a super-3 number, since 3×21020212002110³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1051010600096 + ... + 1051010600115.

It is an arithmetic number, because the mean of its divisors is an integer number (4729547700477).

Almost surely, 2^{21020212002110} is an apocalyptic number.

21020212002110 is a deficient number, since it is larger than the sum of its proper divisors (16816169601706).

21020212002110 is a wasteful number, since it uses less digits than its factorization.

21020212002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102021200218.

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

Adding to 21020212002110 its reverse (1120021202012), we get a palindrome (22140233204122).

The spelling of 21020212002110 in words is "twenty-one trillion, twenty billion, two hundred twelve million, two thousand, one hundred ten".