201021200120112 has 40 divisors (see below), whose sum is σ = 521995465275504. Its totient is φ = 66659879829504.

The previous prime is 201021200120071. The next prime is 201021200120137. The reversal of 201021200120112 is 211021002120102.

It is a junction number, because it is equal to n+sod(n) for n = 201021200120091 and 201021200120100.

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, 10849580553 + ... + 10849599080.

Almost surely, 2^{201021200120112} is an apocalyptic number.

It is an amenable number.

201021200120112 is an abundant number, since it is smaller than the sum of its proper divisors (320974265155392).

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

201021200120112 is a wasteful number, since it uses less digits than its factorization.

201021200120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699179837 (or 21699179831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201021200120112 its reverse (211021002120102), we get a palindrome (412042202240214).

The spelling of 201021200120112 in words is "two hundred one trillion, twenty-one billion, two hundred million, one hundred twenty thousand, one hundred twelve".