101040221042 has 8 divisors (see below), whose sum is σ = 151561997532. Its totient is φ = 50519555200.

The previous prime is 101040221033. The next prime is 101040221147. The reversal of 101040221042 is 240122040101.

It can be written as a sum of positive squares in 2 ways, for example, as 83781881401 + 17258339641 = 289451^2 + 131371^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 101040221042.

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, 8942 + ... + 449622.

Almost surely, 2^101040221042 is an apocalyptic number.

101040221042 is a deficient number, since it is larger than the sum of its proper divisors (50521776490).

101040221042 is a wasteful number, since it uses less digits than its factorization.

101040221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555324.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101040221042 its reverse (240122040101), we get a palindrome (341162261143).

The spelling of 101040221042 in words is "one hundred one billion, forty million, two hundred twenty-one thousand, forty-two".