201220421241112 has 32 divisors (see below), whose sum is σ = 464354818250400. Its totient is φ = 79603683128064.

The previous prime is 201220421241107. The next prime is 201220421241131. The reversal of 201220421241112 is 211142124022102.

It is a congruent number.

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, 138200838037 + ... + 138200839492.

It is an arithmetic number, because the mean of its divisors is an integer number (14511088070325).

Almost surely, 2^{201220421241112} is an apocalyptic number.

It is an amenable number.

201220421241112 is an abundant number, since it is smaller than the sum of its proper divisors (263134397009288).

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

201220421241112 is a wasteful number, since it uses less digits than its factorization.

201220421241112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276401677555 (or 276401677551 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 201220421241112 its reverse (211142124022102), we get a palindrome (412362545263214).

The spelling of 201220421241112 in words is "two hundred one trillion, two hundred twenty billion, four hundred twenty-one million, two hundred forty-one thousand, one hundred twelve".