2100210202011 has 4 divisors (see below), whose sum is σ = 2800280269352. Its totient is φ = 1400140134672.

The previous prime is 2100210201949. The next prime is 2100210202019. The reversal of 2100210202011 is 1102020120012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2100210202011 - 2¹¹ = 2100210199963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100210202019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350035033666 + ... + 350035033671.

It is an arithmetic number, because the mean of its divisors is an integer number (700070067338).

Almost surely, 2^{2100210202011} is an apocalyptic number.

2100210202011 is a deficient number, since it is larger than the sum of its proper divisors (700070067341).

2100210202011 is an equidigital number, since it uses as much as digits as its factorization.

2100210202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700070067340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100210202011 its reverse (1102020120012), we get a palindrome (3202230322023).

The spelling of 2100210202011 in words is "two trillion, one hundred billion, two hundred ten million, two hundred two thousand, eleven".