106216021256 has 32 divisors (see below), whose sum is σ = 199790964480. Its totient is φ = 52938705600.

The previous prime is 106216021237. The next prime is 106216021279. The reversal of 106216021256 is 652120612601.

It is a super-4 number, since 4×106216021256⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3193271 + ... + 3226361.

It is an arithmetic number, because the mean of its divisors is an integer number (6243467640).

Almost surely, 2^106216021256 is an apocalyptic number.

It is an amenable number.

106216021256 is a deficient number, since it is larger than the sum of its proper divisors (93574943224).

106216021256 is a wasteful number, since it uses less digits than its factorization.

106216021256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34365 (or 34361 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 106216021256 its reverse (652120612601), we get a palindrome (758336633857).

The spelling of 106216021256 in words is "one hundred six billion, two hundred sixteen million, twenty-one thousand, two hundred fifty-six".