201001101221112 has 128 divisors (see below), whose sum is σ = 512971276646400. Its totient is φ = 65617268289408.

The previous prime is 201001101221087. The next prime is 201001101221117. The reversal of 201001101221112 is 211122101100102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201001101221091 and 201001101221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001101221117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199270023 + ... + 200276169.

It is an arithmetic number, because the mean of its divisors is an integer number (4007588098800).

Almost surely, 2^{201001101221112} is an apocalyptic number.

It is an amenable number.

201001101221112 is an abundant number, since it is smaller than the sum of its proper divisors (311970175425288).

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

201001101221112 is a wasteful number, since it uses less digits than its factorization.

201001101221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006945 (or 1006941 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201001101221112 its reverse (211122101100102), we get a palindrome (412123202321214).

The spelling of 201001101221112 in words is "two hundred one trillion, one billion, one hundred one million, two hundred twenty-one thousand, one hundred twelve".