220101212132 has 6 divisors (see below), whose sum is σ = 385177121238. Its totient is φ = 110050606064.

The previous prime is 220101212119. The next prime is 220101212161. The reversal of 220101212132 is 231212101022.

It can be written as a sum of positive squares in only one way, i.e., 178511320036 + 41589892096 = 422506^2 + 203936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220101212132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512651513 + ... + 27512651520.

It is an arithmetic number, because the mean of its divisors is an integer number (64196186873).

Almost surely, 2^220101212132 is an apocalyptic number.

It is an amenable number.

220101212132 is a deficient number, since it is larger than the sum of its proper divisors (165075909106).

220101212132 is a wasteful number, since it uses less digits than its factorization.

220101212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55025303037 (or 55025303035 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220101212132 its reverse (231212101022), we get a palindrome (451313313154).

The spelling of 220101212132 in words is "two hundred twenty billion, one hundred one million, two hundred twelve thousand, one hundred thirty-two".