2121000122202 has 32 divisors (see below), whose sum is σ = 4572955433088. Its totient is φ = 651951496896.

The previous prime is 2121000122159. The next prime is 2121000122233. The reversal of 2121000122202 is 2022210001212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13754613 + ... + 13907960.

It is an arithmetic number, because the mean of its divisors is an integer number (142904857284).

Almost surely, 2^{2121000122202} is an apocalyptic number.

2121000122202 is an abundant number, since it is smaller than the sum of its proper divisors (2451955310886).

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

2121000122202 is a wasteful number, since it uses less digits than its factorization.

2121000122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27663574.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2121000122202 its reverse (2022210001212), we get a palindrome (4143210123414).

The spelling of 2121000122202 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two thousand, two hundred two".