2101002212 has 6 divisors (see below), whose sum is σ = 3676753878. Its totient is φ = 1050501104.

The previous prime is 2101002193. The next prime is 2101002223. The reversal of 2101002212 is 2122001012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1529122816 + 571879396 = 39104^2 + 23914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101002193 and 2101002202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262625273 + ... + 262625280.

It is an arithmetic number, because the mean of its divisors is an integer number (612792313).

Almost surely, 2^2101002212 is an apocalyptic number.

It is an amenable number.

2101002212 is a deficient number, since it is larger than the sum of its proper divisors (1575751666).

2101002212 is a wasteful number, since it uses less digits than its factorization.

2101002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525250557 (or 525250555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2101002212 is about 45836.6906746113. The cubic root of 2101002212 is about 1280.7828487484.

Adding to 2101002212 its reverse (2122001012), we get a palindrome (4223003224).

The spelling of 2101002212 in words is "two billion, one hundred one million, two thousand, two hundred twelve".