10101211221022 has 4 divisors (see below), whose sum is σ = 15151816831536. Its totient is φ = 5050605610510.

The previous prime is 10101211220957. The next prime is 10101211221037. The reversal of 10101211221022 is 22012211210101.

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

It is a junction number, because it is equal to n+sod(n) for n = 10101211220987 and 10101211221005.

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, 2525302805254 + ... + 2525302805257.

It is an arithmetic number, because the mean of its divisors is an integer number (3787954207884).

Almost surely, 2^{10101211221022} is an apocalyptic number.

10101211221022 is a deficient number, since it is larger than the sum of its proper divisors (5050605610514).

10101211221022 is an equidigital number, since it uses as much as digits as its factorization.

10101211221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050605610513.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10101211221022 its reverse (22012211210101), we get a palindrome (32113422431123).

The spelling of 10101211221022 in words is "ten trillion, one hundred one billion, two hundred eleven million, two hundred twenty-one thousand, twenty-two".