212101011202 has 4 divisors (see below), whose sum is σ = 318151516806. Its totient is φ = 106050505600.

The previous prime is 212101011197. The next prime is 212101011247. The reversal of 212101011202 is 202110101212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203914561761 + 8186449441 = 451569^2 + 90479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025252799 + ... + 53025252802.

Almost surely, 2^212101011202 is an apocalyptic number.

212101011202 is a deficient number, since it is larger than the sum of its proper divisors (106050505604).

212101011202 is a wasteful number, since it uses less digits than its factorization.

212101011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106050505603.

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

Adding to 212101011202 its reverse (202110101212), we get a palindrome (414211112414).

The spelling of 212101011202 in words is "two hundred twelve billion, one hundred one million, eleven thousand, two hundred two".