212212020111002 has 4 divisors (see below), whose sum is σ = 318318030166506. Its totient is φ = 106106010055500.

The previous prime is 212212020110911. The next prime is 212212020111023. The reversal of 212212020111002 is 200111020212212.

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., 159526473683641 + 52685546427361 = 12630379^2 + 7258481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053005027749 + ... + 53053005027752.

Almost surely, 2^{212212020111002} is an apocalyptic number.

212212020111002 is a deficient number, since it is larger than the sum of its proper divisors (106106010055504).

212212020111002 is a wasteful number, since it uses less digits than its factorization.

212212020111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106010055503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212212020111002 its reverse (200111020212212), we get a palindrome (412323040323214).

The spelling of 212212020111002 in words is "two hundred twelve trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, two".