2100220210012 has 6 divisors (see below), whose sum is σ = 3675385367528. Its totient is φ = 1050110105004.

The previous prime is 2100220210003. The next prime is 2100220210013. The reversal of 2100220210012 is 2100120220012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100220209974 and 2100220210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100220210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262527526248 + ... + 262527526255.

Almost surely, 2^{2100220210012} is an apocalyptic number.

It is an amenable number.

2100220210012 is a deficient number, since it is larger than the sum of its proper divisors (1575165157516).

2100220210012 is a wasteful number, since it uses less digits than its factorization.

2100220210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525055052507 (or 525055052505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100220210012 its reverse (2100120220012), we get a palindrome (4200340430024).

The spelling of 2100220210012 in words is "two trillion, one hundred billion, two hundred twenty million, two hundred ten thousand, twelve".