20002201011112 has 8 divisors (see below), whose sum is σ = 37504126895850. Its totient is φ = 10001100505552.

The previous prime is 20002201011101. The next prime is 20002201011113. The reversal of 20002201011112 is 21111010220002.

It can be written as a sum of positive squares in only one way, i.e., 18716231403076 + 1285969608036 = 4326226^2 + 1134006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20002201011092 and 20002201011101.

It is not an unprimeable number, because it can be changed into a prime (20002201011113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250137563187 + ... + 1250137563202.

Almost surely, 2^{20002201011112} is an apocalyptic number.

It is an amenable number.

20002201011112 is a deficient number, since it is larger than the sum of its proper divisors (17501925884738).

20002201011112 is a wasteful number, since it uses less digits than its factorization.

20002201011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500275126395 (or 2500275126391 counting only the distinct ones).

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

Adding to 20002201011112 its reverse (21111010220002), we get a palindrome (41113211231114).

The spelling of 20002201011112 in words is "twenty trillion, two billion, two hundred one million, eleven thousand, one hundred twelve".