2121020022010 has 32 divisors (see below), whose sum is σ = 3941209654272. Its totient is φ = 820994672640.

The previous prime is 2121020022001. The next prime is 2121020022031. The reversal of 2121020022010 is 102200201212.

It is a happy number.

It is a super-3 number, since 3×2121020022010³ (a number of 38 digits) contains 333 as substring.

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, 5733267 + ... + 6091993.

It is an arithmetic number, because the mean of its divisors is an integer number (123162801696).

Almost surely, 2^{2121020022010} is an apocalyptic number.

2121020022010 is a deficient number, since it is larger than the sum of its proper divisors (1820189632262).

2121020022010 is a wasteful number, since it uses less digits than its factorization.

2121020022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377838.

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

Adding to 2121020022010 its reverse (102200201212), we get a palindrome (2223220223222).

The spelling of 2121020022010 in words is "two trillion, one hundred twenty-one billion, twenty million, twenty-two thousand, ten".