20102011102 has 8 divisors (see below), whose sum is σ = 30321469800. Its totient is φ = 9994854504.

The previous prime is 20102011093. The next prime is 20102011103. The reversal of 20102011102 is 20111020102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28075077 + ... + 28075792.

It is an arithmetic number, because the mean of its divisors is an integer number (3790183725).

Almost surely, 2^20102011102 is an apocalyptic number.

20102011102 is a deficient number, since it is larger than the sum of its proper divisors (10219458698).

20102011102 is a wasteful number, since it uses less digits than its factorization.

20102011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56151050.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20102011102 its reverse (20111020102), we get a palindrome (40213031204).

The spelling of 20102011102 in words is "twenty billion, one hundred two million, eleven thousand, one hundred two".