2100210022001 has 32 divisors (see below), whose sum is σ = 2722679904000. Its totient is φ = 1573228189440.

The previous prime is 2100210021979. The next prime is 2100210022007. The reversal of 2100210022001 is 1002200120012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100210022001 - 2¹⁰ = 2100210020977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100210022007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2286131 + ... + 3070311.

It is an arithmetic number, because the mean of its divisors is an integer number (85083747000).

Almost surely, 2^{2100210022001} is an apocalyptic number.

It is an amenable number.

2100210022001 is a deficient number, since it is larger than the sum of its proper divisors (622469881999).

2100210022001 is a wasteful number, since it uses less digits than its factorization.

2100210022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785769.

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

Adding to 2100210022001 its reverse (1002200120012), we get a palindrome (3102410142013).

The spelling of 2100210022001 in words is "two trillion, one hundred billion, two hundred ten million, twenty-two thousand, one".