20111210102 has 8 divisors (see below), whose sum is σ = 30167687856. Its totient is φ = 10055314152.

The previous prime is 20111210099. The next prime is 20111210107. The reversal of 20111210102 is 20101211102.

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 (20111210107) 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, 45218 + ... + 205589.

It is an arithmetic number, because the mean of its divisors is an integer number (3770960982).

Almost surely, 2^20111210102 is an apocalyptic number.

20111210102 is a deficient number, since it is larger than the sum of its proper divisors (10056477754).

20111210102 is a wasteful number, since it uses less digits than its factorization.

20111210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290902.

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

Adding to 20111210102 its reverse (20101211102), we get a palindrome (40212421204).

The spelling of 20111210102 in words is "twenty billion, one hundred eleven million, two hundred ten thousand, one hundred two".