2100210020210 has 16 divisors (see below), whose sum is σ = 3815708674176. Its totient is φ = 832232755248.

The previous prime is 2100210020131. The next prime is 2100210020239. The reversal of 2100210020210 is 120200120012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100210020191 and 2100210020200.

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, 981405482 + ... + 981407621.

It is an arithmetic number, because the mean of its divisors is an integer number (238481792136).

Almost surely, 2^{2100210020210} is an apocalyptic number.

2100210020210 is a deficient number, since it is larger than the sum of its proper divisors (1715498653966).

2100210020210 is a wasteful number, since it uses less digits than its factorization.

2100210020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962813217.

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

Adding to 2100210020210 its reverse (120200120012), we get a palindrome (2220410140222).

The spelling of 2100210020210 in words is "two trillion, one hundred billion, two hundred ten million, twenty thousand, two hundred ten".