2220121112210 has 64 divisors (see below), whose sum is σ = 4213421712000. Its totient is φ = 839934950400.

The previous prime is 2220121112207. The next prime is 2220121112213. The reversal of 2220121112210 is 122111210222.

It is an interprime number because it is at equal distance from previous prime (2220121112207) and next prime (2220121112213).

It is a super-2 number, since 2×2220121112210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220121112213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470262650 + ... + 470267370.

It is an arithmetic number, because the mean of its divisors is an integer number (65834714250).

Almost surely, 2^{2220121112210} is an apocalyptic number.

2220121112210 is a deficient number, since it is larger than the sum of its proper divisors (1993300599790).

2220121112210 is a wasteful number, since it uses less digits than its factorization.

2220121112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2220121112210 its reverse (122111210222), we get a palindrome (2342232322432).

The spelling of 2220121112210 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred ten".