20211112102 has 8 divisors (see below), whose sum is σ = 30318637536. Its totient is φ = 10104899592.

The previous prime is 20211112093. The next prime is 20211112111. The reversal of 20211112102 is 20121111202.

20211112102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20211112093) and next prime (20211112111).

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

It is a super-2 number, since 2×20211112102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288798 + ... + 351889.

It is an arithmetic number, because the mean of its divisors is an integer number (3789829692).

Almost surely, 2^20211112102 is an apocalyptic number.

20211112102 is a deficient number, since it is larger than the sum of its proper divisors (10107525434).

20211112102 is a wasteful number, since it uses less digits than its factorization.

20211112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656462.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211112102 its reverse (20121111202), we get a palindrome (40332223304).

The spelling of 20211112102 in words is "twenty billion, two hundred eleven million, one hundred twelve thousand, one hundred two".