10101211222 has 4 divisors (see below), whose sum is σ = 15151816836. Its totient is φ = 5050605610.

The previous prime is 10101211217. The next prime is 10101211271. The reversal of 10101211222 is 22211210101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22211210101 = 23 ⋅965704787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525302804 + ... + 2525302807.

It is an arithmetic number, because the mean of its divisors is an integer number (3787954209).

Almost surely, 2^10101211222 is an apocalyptic number.

10101211222 is a deficient number, since it is larger than the sum of its proper divisors (5050605614).

10101211222 is an equidigital number, since it uses as much as digits as its factorization.

10101211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050605613.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10101211222 its reverse (22211210101), we get a palindrome (32312421323).

The spelling of 10101211222 in words is "ten billion, one hundred one million, two hundred eleven thousand, two hundred twenty-two".