10101111021222 has 16 divisors (see below), whose sum is σ = 21756239122800. Its totient is φ = 3108034160352.

The previous prime is 10101111021193. The next prime is 10101111021251. The reversal of 10101111021222 is 22212011110101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10101111021193) and next prime (10101111021251).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64750711597 + ... + 64750711752.

It is an arithmetic number, because the mean of its divisors is an integer number (1359764945175).

Almost surely, 2^{10101111021222} is an apocalyptic number.

10101111021222 is an abundant number, since it is smaller than the sum of its proper divisors (11655128101578).

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

10101111021222 is a wasteful number, since it uses less digits than its factorization.

10101111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129501423367.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10101111021222 its reverse (22212011110101), we get a palindrome (32313122131323).

The spelling of 10101111021222 in words is "ten trillion, one hundred one billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".