10111221001022 has 4 divisors (see below), whose sum is σ = 15166831501536. Its totient is φ = 5055610500510.

The previous prime is 10111221001001. The next prime is 10111221001043. The reversal of 10111221001022 is 22010012211101.

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

It is an interprime number because it is at equal distance from previous prime (10111221001001) and next prime (10111221001043).

It is a junction number, because it is equal to n+sod(n) for n = 10111221000988 and 10111221001006.

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, 2527805250254 + ... + 2527805250257.

It is an arithmetic number, because the mean of its divisors is an integer number (3791707875384).

Almost surely, 2^{10111221001022} is an apocalyptic number.

10111221001022 is a deficient number, since it is larger than the sum of its proper divisors (5055610500514).

10111221001022 is an equidigital number, since it uses as much as digits as its factorization.

10111221001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055610500513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111221001022 its reverse (22010012211101), we get a palindrome (32121233212123).

The spelling of 10111221001022 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, one thousand, twenty-two".