10121222221210 has 32 divisors (see below), whose sum is σ = 18258043737600. Its totient is φ = 4039643586240.

The previous prime is 10121222221189. The next prime is 10121222221217. The reversal of 10121222221210 is 1212222212101.

It is a super-2 number, since 2×10121222221210² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121222221217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8600311 + ... + 9706069.

It is an arithmetic number, because the mean of its divisors is an integer number (570563866800).

Almost surely, 2^{10121222221210} is an apocalyptic number.

10121222221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121222221210 is a deficient number, since it is larger than the sum of its proper divisors (8136821516390).

10121222221210 is a wasteful number, since it uses less digits than its factorization.

10121222221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107766.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10121222221210 its reverse (1212222212101), we get a palindrome (11333444433311).

The spelling of 10121222221210 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".