20102111211110 has 16 divisors (see below), whose sum is σ = 36293116802832. Its totient is φ = 8016551901600.

The previous prime is 20102111211103. The next prime is 20102111211121. The reversal of 20102111211110 is 1111211120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036569381 + ... + 3036576000.

It is an arithmetic number, because the mean of its divisors is an integer number (2268319800177).

Almost surely, 2^{20102111211110} is an apocalyptic number.

20102111211110 is a deficient number, since it is larger than the sum of its proper divisors (16191005591722).

20102111211110 is a wasteful number, since it uses less digits than its factorization.

20102111211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073145719.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20102111211110 its reverse (1111211120102), we get a palindrome (21213322331212).

The spelling of 20102111211110 in words is "twenty trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, one hundred ten".