106250420066021 has 8 divisors (see below), whose sum is σ = 132468056186304. Its totient is φ = 82792535116320.

The previous prime is 106250420066017. The next prime is 106250420066029. The reversal of 106250420066021 is 120660024052601.

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

It is a cyclic number.

It is not a de Polignac number, because 106250420066021 - 2² = 106250420066017 is a prime.

It is a super-2 number, since 2×106250420066021² (a number of 29 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 (106250420066029) 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, 689937792560 + ... + 689937792713.

It is an arithmetic number, because the mean of its divisors is an integer number (16558507023288).

Almost surely, 2^{106250420066021} is an apocalyptic number.

106250420066021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106250420066021 is a deficient number, since it is larger than the sum of its proper divisors (26217636120283).

106250420066021 is a wasteful number, since it uses less digits than its factorization.

106250420066021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379875585291.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 106250420066021 in words is "one hundred six trillion, two hundred fifty billion, four hundred twenty million, sixty-six thousand, twenty-one".