2120221220210 has 16 divisors (see below), whose sum is σ = 3939507816192. Its totient is φ = 820730794800.

The previous prime is 2120221220149. The next prime is 2120221220239. The reversal of 2120221220210 is 120221220212.

It is a happy number.

It is a super-3 number, since 3×2120221220210³ (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 7 ways as a sum of consecutive naturals, for example, 3419711336 + ... + 3419711955.

It is an arithmetic number, because the mean of its divisors is an integer number (246219238512).

Almost surely, 2^{2120221220210} is an apocalyptic number.

2120221220210 is a deficient number, since it is larger than the sum of its proper divisors (1819286595982).

2120221220210 is a wasteful number, since it uses less digits than its factorization.

2120221220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839423329.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120221220210 its reverse (120221220212), we get a palindrome (2240442440422).

The spelling of 2120221220210 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty thousand, two hundred ten".