20102100022212 has 24 divisors (see below), whose sum is σ = 50512969286976. Its totient is φ = 6185261545248.

The previous prime is 20102100022201. The next prime is 20102100022259. The reversal of 20102100022212 is 21222000120102.

It is a junction number, because it is equal to n+sod(n) for n = 20102100022191 and 20102100022200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64429807608 + ... + 64429807919.

It is an arithmetic number, because the mean of its divisors is an integer number (2104707053624).

Almost surely, 2^{20102100022212} is an apocalyptic number.

It is an amenable number.

20102100022212 is an abundant number, since it is smaller than the sum of its proper divisors (30410869264764).

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

20102100022212 is a wasteful number, since it uses less digits than its factorization.

20102100022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128859615547 (or 128859615545 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102100022212 its reverse (21222000120102), we get a palindrome (41324100142314).

The spelling of 20102100022212 in words is "twenty trillion, one hundred two billion, one hundred million, twenty-two thousand, two hundred twelve".