20110021012110 has 32 divisors (see below), whose sum is σ = 48272463610272. Its totient is φ = 5361737472000.

The previous prime is 20110021011961. The next prime is 20110021012121. The reversal of 20110021012110 is 1121012001102.

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, 58249891 + ... + 58594110.

It is an arithmetic number, because the mean of its divisors is an integer number (1508514487821).

Almost surely, 2^{20110021012110} is an apocalyptic number.

20110021012110 is an abundant number, since it is smaller than the sum of its proper divisors (28162442598162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110021012110 is a wasteful number, since it uses less digits than its factorization.

20110021012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116849748.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110021012110 its reverse (1121012001102), we get a palindrome (21231033013212).

The spelling of 20110021012110 in words is "twenty trillion, one hundred ten billion, twenty-one million, twelve thousand, one hundred ten".