101122121212 has 24 divisors (see below), whose sum is σ = 205559725280. Its totient is φ = 42627591360.

The previous prime is 101122121209. The next prime is 101122121249. The reversal of 101122121212 is 212121221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29600787 + ... + 29604202.

Almost surely, 2^101122121212 is an apocalyptic number.

It is an amenable number.

101122121212 is an abundant number, since it is smaller than the sum of its proper divisors (104437604068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101122121212 is a wasteful number, since it uses less digits than its factorization.

101122121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59205061 (or 59205059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101122121212 its reverse (212121221101), we get a palindrome (313243342313).

The spelling of 101122121212 in words is "one hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".