212202121011 has 8 divisors (see below), whose sum is σ = 283106304000. Its totient is φ = 141383009352.

The previous prime is 212202121007. The next prime is 212202121031. The reversal of 212202121011 is 110121202212.

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

It is not a de Polignac number, because 212202121011 - 2² = 212202121007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212202121031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21262011 + ... + 21271988.

It is an arithmetic number, because the mean of its divisors is an integer number (35388288000).

Almost surely, 2^212202121011 is an apocalyptic number.

212202121011 is a deficient number, since it is larger than the sum of its proper divisors (70904182989).

212202121011 is a wasteful number, since it uses less digits than its factorization.

212202121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42535665.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212202121011 its reverse (110121202212), we get a palindrome (322323323223).

The spelling of 212202121011 in words is "two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, eleven".