101121200212 has 6 divisors (see below), whose sum is σ = 176962100378. Its totient is φ = 50560600104.

The previous prime is 101121200203. The next prime is 101121200251. The reversal of 101121200212 is 212002121101.

It can be written as a sum of positive squares in only one way, i.e., 99550346256 + 1570853956 = 315516^2 + 39634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101121200192 and 101121200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640150023 + ... + 12640150030.

Almost surely, 2^101121200212 is an apocalyptic number.

It is an amenable number.

101121200212 is a deficient number, since it is larger than the sum of its proper divisors (75840900166).

101121200212 is a wasteful number, since it uses less digits than its factorization.

101121200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25280300057 (or 25280300055 counting only the distinct ones).

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

Adding to 101121200212 its reverse (212002121101), we get a palindrome (313123321313).

The spelling of 101121200212 in words is "one hundred one billion, one hundred twenty-one million, two hundred thousand, two hundred twelve".