20022110002100 has 18 divisors (see below), whose sum is σ = 43447978704774. Its totient is φ = 8008844000800.

The previous prime is 20022110002003. The next prime is 20022110002109. The reversal of 20022110002100 is 120001122002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7688834596 + 20014421167504 = 87686^2 + 4473748^2 .

It is a super-3 number, since 3×20022110002100³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022110002109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100110549911 + ... + 100110550110.

Almost surely, 2^{20022110002100} is an apocalyptic number.

20022110002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022110002100 is an abundant number, since it is smaller than the sum of its proper divisors (23425868702674).

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

20022110002100 is a wasteful number, since it uses less digits than its factorization.

20022110002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200221100035 (or 200221100028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20022110002100 its reverse (120001122002), we get a palindrome (20142111124102).

The spelling of 20022110002100 in words is "twenty trillion, twenty-two billion, one hundred ten million, two thousand, one hundred".