10121222220222 has 64 divisors (see below), whose sum is σ = 21407392677888. Its totient is φ = 3184932960000.

The previous prime is 10121222220211. The next prime is 10121222220223. The reversal of 10121222220222 is 22202222212101.

It is a super-2 number, since 2×10121222220222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121222220223) 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, 75438003 + ... + 75572049.

It is an arithmetic number, because the mean of its divisors is an integer number (334490510592).

Almost surely, 2^{10121222220222} is an apocalyptic number.

10121222220222 is an abundant number, since it is smaller than the sum of its proper divisors (11286170457666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121222220222 is a wasteful number, since it uses less digits than its factorization.

10121222220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144025.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10121222220222 its reverse (22202222212101), we get a palindrome (32323444432323).

The spelling of 10121222220222 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".