106210621 has 8 divisors (see below), whose sum is σ = 116892864. Its totient is φ = 95699520.

The previous prime is 106210583. The next prime is 106210633. The reversal of 106210621 is 126012601.

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 106210621 - 2⁷ = 106210493 is a prime.

It is a super-2 number, since 2×106210621² = 22561392026411282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106210421) 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, 41481 + ... + 43966.

It is an arithmetic number, because the mean of its divisors is an integer number (14611608).

Almost surely, 2^106210621 is an apocalyptic number.

106210621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

106210621 is a deficient number, since it is larger than the sum of its proper divisors (10682243).

106210621 is a wasteful number, since it uses less digits than its factorization.

106210621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85571.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 106210621 is about 10305.8537249468. The cubic root of 106210621 is about 473.5755976749.

The spelling of 106210621 in words is "one hundred six million, two hundred ten thousand, six hundred twenty-one".