106500944921 has 16 divisors (see below), whose sum is σ = 122757228288. Its totient is φ = 90507456000.

The previous prime is 106500944917. The next prime is 106500944969. The reversal of 106500944921 is 129449005601.

It is a cyclic number.

It is not a de Polignac number, because 106500944921 - 2² = 106500944917 is a prime.

It is a super-3 number, since 3×106500944921³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106500943921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454001 + ... + 647393.

It is an arithmetic number, because the mean of its divisors is an integer number (7672326768).

Almost surely, 2^106500944921 is an apocalyptic number.

It is an amenable number.

106500944921 is a deficient number, since it is larger than the sum of its proper divisors (16256283367).

106500944921 is a wasteful number, since it uses less digits than its factorization.

106500944921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194072.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 106500944921 in words is "one hundred six billion, five hundred million, nine hundred forty-four thousand, nine hundred twenty-one".