20011021002110 has 32 divisors (see below), whose sum is σ = 37915868858400. Its totient is φ = 7583073724800.

The previous prime is 20011021002103. The next prime is 20011021002121. The reversal of 20011021002110 is 1120012011002.

It is a junction number, because it is equal to n+sod(n) for n = 20011021002091 and 20011021002100.

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, 42223460 + ... + 42694760.

It is an arithmetic number, because the mean of its divisors is an integer number (1184870901825).

Almost surely, 2^{20011021002110} is an apocalyptic number.

20011021002110 is a deficient number, since it is larger than the sum of its proper divisors (17904847856290).

20011021002110 is a wasteful number, since it uses less digits than its factorization.

20011021002110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694796.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20011021002110 its reverse (1120012011002), we get a palindrome (21131033013112).

The spelling of 20011021002110 in words is "twenty trillion, eleven billion, twenty-one million, two thousand, one hundred ten".