2101212011002 has 16 divisors (see below), whose sum is σ = 3402730075752. Its totient is φ = 967371724800.

The previous prime is 2101212010927. The next prime is 2101212011029. The reversal of 2101212011002 is 2001102121012.

It can be written as a sum of positive squares in 4 ways, for example, as 1960445225281 + 140766785721 = 1400159^2 + 375189^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100757463 + ... + 100778314.

Almost surely, 2^{2101212011002} is an apocalyptic number.

2101212011002 is a deficient number, since it is larger than the sum of its proper divisors (1301518064750).

2101212011002 is a wasteful number, since it uses less digits than its factorization.

2101212011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201536193.

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

Adding to 2101212011002 its reverse (2001102121012), we get a palindrome (4102314132014).

The spelling of 2101212011002 in words is "two trillion, one hundred one billion, two hundred twelve million, eleven thousand, two".