100212211210 has 32 divisors (see below), whose sum is σ = 186634063440. Its totient is φ = 38696007168.

The previous prime is 100212211171. The next prime is 100212211219. The reversal of 100212211210 is 12112212001.

It can be written as a sum of positive squares in 8 ways, for example, as 22837556641 + 77374654569 = 151121^2 + 278163^2 .

It is not an unprimeable number, because it can be changed into a prime (100212211219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874004 + ... + 1926736.

Almost surely, 2^100212211210 is an apocalyptic number.

100212211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100212211210 is a deficient number, since it is larger than the sum of its proper divisors (86421852230).

100212211210 is a wasteful number, since it uses less digits than its factorization.

100212211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59322.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100212211210 its reverse (12112212001), we get a palindrome (112324423211).

The spelling of 100212211210 in words is "one hundred billion, two hundred twelve million, two hundred eleven thousand, two hundred ten".