20102100022210 has 8 divisors (see below), whose sum is σ = 36183780039996. Its totient is φ = 8040840008880.

The previous prime is 20102100022201. The next prime is 20102100022259. The reversal of 20102100022210 is 1222000120102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19138516308081 + 963583714129 = 4374759^2 + 981623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005105001101 + ... + 1005105001120.

Almost surely, 2^{20102100022210} is an apocalyptic number.

20102100022210 is a deficient number, since it is larger than the sum of its proper divisors (16081680017786).

20102100022210 is a wasteful number, since it uses less digits than its factorization.

20102100022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010210002228.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102100022210 its reverse (1222000120102), we get a palindrome (21324100142312).

The spelling of 20102100022210 in words is "twenty trillion, one hundred two billion, one hundred million, twenty-two thousand, two hundred ten".