220001431211112 has 32 divisors (see below), whose sum is σ = 550004464706400. Its totient is φ = 73333692179904.

The previous prime is 220001431211039. The next prime is 220001431211117. The reversal of 220001431211112 is 211112134100022.

It is a super-2 number, since 2×220001431211112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220001431211117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8506098 + ... + 22635294.

It is an arithmetic number, because the mean of its divisors is an integer number (17187639522075).

Almost surely, 2^{220001431211112} is an apocalyptic number.

It is an amenable number.

220001431211112 is an abundant number, since it is smaller than the sum of its proper divisors (330003033495288).

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

220001431211112 is a wasteful number, since it uses less digits than its factorization.

220001431211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777985 (or 14777981 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 220001431211112 its reverse (211112134100022), we get a palindrome (431113565311134).

The spelling of 220001431211112 in words is "two hundred twenty trillion, one billion, four hundred thirty-one million, two hundred eleven thousand, one hundred twelve".