106349581021 has 8 divisors (see below), whose sum is σ = 113334614784. Its totient is φ = 99561308880.

The previous prime is 106349581003. The next prime is 106349581027. The reversal of 106349581021 is 120185943601.

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

It is not a de Polignac number, because 106349581021 - 2⁷ = 106349580893 is a prime.

It is a super-2 number, since 2×106349581021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106349581027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49189290 + ... + 49191451.

It is an arithmetic number, because the mean of its divisors is an integer number (14166826848).

Almost surely, 2^106349581021 is an apocalyptic number.

It is an amenable number.

106349581021 is a deficient number, since it is larger than the sum of its proper divisors (6985033763).

106349581021 is an equidigital number, since it uses as much as digits as its factorization.

106349581021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98380811.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 106349581021 in words is "one hundred six billion, three hundred forty-nine million, five hundred eighty-one thousand, twenty-one".