221013132213112 has 8 divisors (see below), whose sum is σ = 414399622899600. Its totient is φ = 110506566106552.

The previous prime is 221013132213109. The next prime is 221013132213121. The reversal of 221013132213112 is 211312231310122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×221013132213112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813320763312 + ... + 13813320763327.

It is an arithmetic number, because the mean of its divisors is an integer number (51799952862450).

Almost surely, 2^{221013132213112} is an apocalyptic number.

It is an amenable number.

221013132213112 is a deficient number, since it is larger than the sum of its proper divisors (193386490686488).

221013132213112 is a wasteful number, since it uses less digits than its factorization.

221013132213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626641526645 (or 27626641526641 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 221013132213112 its reverse (211312231310122), we get a palindrome (432325363523234).

The spelling of 221013132213112 in words is "two hundred twenty-one trillion, thirteen billion, one hundred thirty-two million, two hundred thirteen thousand, one hundred twelve".