10221111022 has 4 divisors (see below), whose sum is σ = 15331666536. Its totient is φ = 5110555510.

The previous prime is 10221110969. The next prime is 10221111023. The reversal of 10221111022 is 22011112201.

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

It is a super-2 number, since 2×10221111022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221110993 and 10221111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221111023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555277754 + ... + 2555277757.

It is an arithmetic number, because the mean of its divisors is an integer number (3832916634).

Almost surely, 2^10221111022 is an apocalyptic number.

10221111022 is a deficient number, since it is larger than the sum of its proper divisors (5110555514).

10221111022 is an equidigital number, since it uses as much as digits as its factorization.

10221111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110555513.

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

Adding to 10221111022 its reverse (22011112201), we get a palindrome (32232223223).

The spelling of 10221111022 in words is "ten billion, two hundred twenty-one million, one hundred eleven thousand, twenty-two".