100212111211010 has 8 divisors (see below), whose sum is σ = 180381800179836. Its totient is φ = 40084844484400.

The previous prime is 100212111210989. The next prime is 100212111211019. The reversal of 100212111211010 is 10112111212001.

It can be written as a sum of positive squares in 2 ways, for example, as 99482930136769 + 729181074241 = 9974113^2 + 853921^2 .

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

It is a super-2 number, since 2×100212111211010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100212111211019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010605560541 + ... + 5010605560560.

Almost surely, 2^{100212111211010} is an apocalyptic number.

100212111211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100212111211010 is a deficient number, since it is larger than the sum of its proper divisors (80169688968826).

100212111211010 is a wasteful number, since it uses less digits than its factorization.

100212111211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021211121108.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100212111211010 its reverse (10112111212001), we get a palindrome (110324222423011).

Subtracting from 100212111211010 its reverse (10112111212001), we obtain a palindrome (90099999999009).

The spelling of 100212111211010 in words is "one hundred trillion, two hundred twelve billion, one hundred eleven million, two hundred eleven thousand, ten".