10101121222 has 4 divisors (see below), whose sum is σ = 15151681836. Its totient is φ = 5050560610.

The previous prime is 10101121213. The next prime is 10101121237. The reversal of 10101121222 is 22212110101.

It is a semiprime because it is the product of two primes.

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, 2525280304 + ... + 2525280307.

It is an arithmetic number, because the mean of its divisors is an integer number (3787920459).

Almost surely, 2^10101121222 is an apocalyptic number.

10101121222 is a deficient number, since it is larger than the sum of its proper divisors (5050560614).

10101121222 is an equidigital number, since it uses as much as digits as its factorization.

10101121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050560613.

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

Adding to 10101121222 its reverse (22212110101), we get a palindrome (32313231323).

The spelling of 10101121222 in words is "ten billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".