101012122212228 has 60 divisors (see below), whose sum is σ = 264067562977372. Its totient is φ = 33670462268160.

The previous prime is 101012122212151. The next prime is 101012122212229. The reversal of 101012122212228 is 822212221210101.

It is a happy number.

101012122212228 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 1 + 212 + 221 + 2 + 228 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72512411838084 + 28499710374144 = 8515422^2 + 5338512^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (101012122212229) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46520208 + ... + 48643128.

Almost surely, 2^{101012122212228} is an apocalyptic number.

101012122212228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

101012122212228 is an abundant number, since it is smaller than the sum of its proper divisors (163055440765144).

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

101012122212228 is a wasteful number, since it uses less digits than its factorization.

101012122212228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269794 (or 2269783 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

Adding to 101012122212228 its reverse (822212221210101), we get a palindrome (923224343422329).

The spelling of 101012122212228 in words is "one hundred one trillion, twelve billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-eight".