20110220012102 has 16 divisors (see below), whose sum is σ = 33051334208400. Its totient is φ = 9101092023840.

The previous prime is 20110220012093. The next prime is 20110220012111. The reversal of 20110220012102 is 20121002201102.

It is an interprime number because it is at equal distance from previous prime (20110220012093) and next prime (20110220012111).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995848477 + ... + 1995858552.

It is an arithmetic number, because the mean of its divisors is an integer number (2065708388025).

Almost surely, 2^{20110220012102} is an apocalyptic number.

20110220012102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110220012102 is a deficient number, since it is larger than the sum of its proper divisors (12941114196298).

20110220012102 is a wasteful number, since it uses less digits than its factorization.

20110220012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991707271.

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

Adding to 20110220012102 its reverse (20121002201102), we get a palindrome (40231222213204).

The spelling of 20110220012102 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, twelve thousand, one hundred two".