101220470894 has 16 divisors (see below), whose sum is σ = 152373826080. Its totient is φ = 50429252640.

The previous prime is 101220470887. The next prime is 101220470903. The reversal of 101220470894 is 498074022101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5229767 + ... + 5249085.

It is an arithmetic number, because the mean of its divisors is an integer number (9523364130).

Almost surely, 2^101220470894 is an apocalyptic number.

101220470894 is a deficient number, since it is larger than the sum of its proper divisors (51153355186).

101220470894 is a wasteful number, since it uses less digits than its factorization.

101220470894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28555.

The product of its (nonzero) digits is 32256, while the sum is 38.

Adding to 101220470894 its reverse (498074022101), we get a palindrome (599294492995).

The spelling of 101220470894 in words is "one hundred one billion, two hundred twenty million, four hundred seventy thousand, eight hundred ninety-four".