100212021203 has 32 divisors (see below), whose sum is σ = 119479320576. Its totient is φ = 82271917728.

The previous prime is 100212021187. The next prime is 100212021241. The reversal of 100212021203 is 302120212001.

It is a happy number.

It is not a de Polignac number, because 100212021203 - 2⁴ = 100212021187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212024203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4486100 + ... + 4508382.

It is an arithmetic number, because the mean of its divisors is an integer number (3733728768).

Almost surely, 2^100212021203 is an apocalyptic number.

100212021203 is a deficient number, since it is larger than the sum of its proper divisors (19267299373).

100212021203 is a wasteful number, since it uses less digits than its factorization.

100212021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22623.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100212021203 its reverse (302120212001), we get a palindrome (402332233204).

The spelling of 100212021203 in words is "one hundred billion, two hundred twelve million, twenty-one thousand, two hundred three".