2002111100212 has 6 divisors (see below), whose sum is σ = 3503694425378. Its totient is φ = 1001055550104.

The previous prime is 2002111100203. The next prime is 2002111100219. The reversal of 2002111100212 is 2120011112002.

It can be written as a sum of positive squares in only one way, i.e., 1925583623716 + 76527476496 = 1387654^2 + 276636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002111100192 and 2002111100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111100219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250263887523 + ... + 250263887530.

Almost surely, 2^{2002111100212} is an apocalyptic number.

It is an amenable number.

2002111100212 is a deficient number, since it is larger than the sum of its proper divisors (1501583325166).

2002111100212 is a wasteful number, since it uses less digits than its factorization.

2002111100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500527775057 (or 500527775055 counting only the distinct ones).

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

Adding to 2002111100212 its reverse (2120011112002), we get a palindrome (4122122212214).

The spelling of 2002111100212 in words is "two trillion, two billion, one hundred eleven million, one hundred thousand, two hundred twelve".