101051551042 has 8 divisors (see below), whose sum is σ = 163237120956. Its totient is φ = 46639177392.

The previous prime is 101051551039. The next prime is 101051551099. The reversal of 101051551042 is 240155150101.

101051551042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78120809001 + 22930742041 = 279501^2 + 151429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101051551042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101051550998 and 101051551016.

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, 1943299033 + ... + 1943299084.

Almost surely, 2^101051551042 is an apocalyptic number.

101051551042 is a deficient number, since it is larger than the sum of its proper divisors (62185569914).

101051551042 is a wasteful number, since it uses less digits than its factorization.

101051551042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886598132.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 101051551042 in words is "one hundred one billion, fifty-one million, five hundred fifty-one thousand, forty-two".