2100222222210 has 160 divisors (see below), whose sum is σ = 6500450436480. Its totient is φ = 476597011968.

The previous prime is 2100222222199. The next prime is 2100222222221. The reversal of 2100222222210 is 122222220012.

2100222222210 is a `hidden beast` number, since 2 + 10 + 0 + 222 + 222 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (2100222222199) and next prime (2100222222221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 544279 + ... + 2120538.

It is an arithmetic number, because the mean of its divisors is an integer number (40627815228).

Almost surely, 2^{2100222222210} is an apocalyptic number.

2100222222210 is an abundant number, since it is smaller than the sum of its proper divisors (4400228214270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100222222210 is a wasteful number, since it uses less digits than its factorization.

2100222222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664982 (or 2664973 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2100222222210 its reverse (122222220012), we get a palindrome (2222444442222).

The spelling of 2100222222210 in words is "two trillion, one hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred ten".