210100220120986 has 16 divisors (see below), whose sum is σ = 341983446967008. Its totient is φ = 96229108450800.

The previous prime is 210100220120977. The next prime is 210100220121031. The reversal of 210100220120986 is 689021022001012.

It is a super-2 number, since 2×210100220120986² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30842659560 + ... + 30842666371.

It is an arithmetic number, because the mean of its divisors is an integer number (21373965435438).

Almost surely, 2^{210100220120986} is an apocalyptic number.

210100220120986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

210100220120986 is a deficient number, since it is larger than the sum of its proper divisors (131883226846022).

210100220120986 is a wasteful number, since it uses less digits than its factorization.

210100220120986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61685326077.

The product of its (nonzero) digits is 6912, while the sum is 34.

Adding to 210100220120986 its reverse (689021022001012), we get a palindrome (899121242121998).

The spelling of 210100220120986 in words is "two hundred ten trillion, one hundred billion, two hundred twenty million, one hundred twenty thousand, nine hundred eighty-six".