20201001111112 has 64 divisors (see below), whose sum is σ = 38460052794240. Its totient is φ = 9946317888000.

The previous prime is 20201001111103. The next prime is 20201001111131. The reversal of 20201001111112 is 21111110010202.

It is a happy number.

It is a super-2 number, since 2×20201001111112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201001111092 and 20201001111101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148210258 + ... + 148346494.

It is an arithmetic number, because the mean of its divisors is an integer number (600938324910).

Almost surely, 2^{20201001111112} is an apocalyptic number.

It is an amenable number.

20201001111112 is a deficient number, since it is larger than the sum of its proper divisors (18259051683128).

20201001111112 is a wasteful number, since it uses less digits than its factorization.

20201001111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137462 (or 137458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20201001111112 its reverse (21111110010202), we get a palindrome (41312111121314).

The spelling of 20201001111112 in words is "twenty trillion, two hundred one billion, one million, one hundred eleven thousand, one hundred twelve".