101122220100212 has 6 divisors (see below), whose sum is σ = 176963885175378. Its totient is φ = 50561110050104.

The previous prime is 101122220100211. The next prime is 101122220100227. The reversal of 101122220100212 is 212001022221101.

It can be written as a sum of positive squares in only one way, i.e., 83331995220496 + 17790224879716 = 9128636^2 + 4217846^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122220100211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640277512523 + ... + 12640277512530.

It is an arithmetic number, because the mean of its divisors is an integer number (29493980862563).

Almost surely, 2^{101122220100212} is an apocalyptic number.

It is an amenable number.

101122220100212 is a deficient number, since it is larger than the sum of its proper divisors (75841665075166).

101122220100212 is a wasteful number, since it uses less digits than its factorization.

101122220100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280555025057 (or 25280555025055 counting only the distinct ones).

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

Adding to 101122220100212 its reverse (212001022221101), we get a palindrome (313123242321313).

The spelling of 101122220100212 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred twenty million, one hundred thousand, two hundred twelve".