20211101112102 has 32 divisors (see below), whose sum is σ = 41031106183680. Its totient is φ = 6635954838240.

The previous prime is 20211101112089. The next prime is 20211101112107. The reversal of 20211101112102 is 20121110111202.

It is a happy number.

It is a super-2 number, since 2×20211101112102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211101112107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50441128 + ... + 50840235.

It is an arithmetic number, because the mean of its divisors is an integer number (1282222068240).

Almost surely, 2^{20211101112102} is an apocalyptic number.

20211101112102 is an abundant number, since it is smaller than the sum of its proper divisors (20820005071578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211101112102 is a wasteful number, since it uses less digits than its factorization.

20211101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101281868.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20211101112102 its reverse (20121110111202), we get a palindrome (40332211223304).

The spelling of 20211101112102 in words is "twenty trillion, two hundred eleven billion, one hundred one million, one hundred twelve thousand, one hundred two".