1101021200212 has 6 divisors (see below), whose sum is σ = 1926787100378. Its totient is φ = 550510600104.

The previous prime is 1101021200183. The next prime is 1101021200219. The reversal of 1101021200212 is 2120021201011.

It can be written as a sum of positive squares in only one way, i.e., 1066271020816 + 34750179396 = 1032604^2 + 186414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1101021200192 and 1101021200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101021200219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137627650023 + ... + 137627650030.

Almost surely, 2^{1101021200212} is an apocalyptic number.

It is an amenable number.

1101021200212 is a deficient number, since it is larger than the sum of its proper divisors (825765900166).

1101021200212 is a wasteful number, since it uses less digits than its factorization.

1101021200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275255300057 (or 275255300055 counting only the distinct ones).

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

Adding to 1101021200212 its reverse (2120021201011), we get a palindrome (3221042401223).

The spelling of 1101021200212 in words is "one trillion, one hundred one billion, twenty-one million, two hundred thousand, two hundred twelve".