2101212000002 has 8 divisors (see below), whose sum is σ = 3211286264316. Its totient is φ = 1030783245232.

The previous prime is 2101211999993. The next prime is 2101212000059. The reversal of 2101212000002 is 2000002121012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1950684295561 + 150527704441 = 1396669^2 + 387979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9911377253 + ... + 9911377464.

Almost surely, 2^{2101212000002} is an apocalyptic number.

2101212000002 is a deficient number, since it is larger than the sum of its proper divisors (1110074264314).

2101212000002 is a wasteful number, since it uses less digits than its factorization.

2101212000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19822754772.

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

Adding to 2101212000002 its reverse (2000002121012), we get a palindrome (4101214121014).

The spelling of 2101212000002 in words is "two trillion, one hundred one billion, two hundred twelve million, two", and thus it is an aban number.