101287748212228 has 12 divisors (see below), whose sum is σ = 177254030817612. Its totient is φ = 50643739407200.

The previous prime is 101287748212193. The next prime is 101287748212253. The reversal of 101287748212228 is 822212847782101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94157951064004 + 7129797148224 = 9703502^2 + 2670168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31973275 + ... + 34998082.

It is an arithmetic number, because the mean of its divisors is an integer number (14771169234801).

Almost surely, 2^{101287748212228} is an apocalyptic number.

It is an amenable number.

101287748212228 is a deficient number, since it is larger than the sum of its proper divisors (75966282605384).

101287748212228 is a wasteful number, since it uses less digits than its factorization.

101287748212228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67349462 (or 67349460 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 55.

The spelling of 101287748212228 in words is "one hundred one trillion, two hundred eighty-seven billion, seven hundred forty-eight million, two hundred twelve thousand, two hundred twenty-eight".