2121122202010 has 64 divisors (see below), whose sum is σ = 4379224227840. Its totient is φ = 724616458560.

The previous prime is 2121122201969. The next prime is 2121122202037. The reversal of 2121122202010 is 102022211212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30900747 + ... + 30969313.

It is an arithmetic number, because the mean of its divisors is an integer number (68425378560).

Almost surely, 2^{2121122202010} is an apocalyptic number.

2121122202010 is an abundant number, since it is smaller than the sum of its proper divisors (2258102025830).

2121122202010 is a wasteful number, since it uses less digits than its factorization.

2121122202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70171.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121122202010 its reverse (102022211212), we get a palindrome (2223144413222).

The spelling of 2121122202010 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, ten".