1111021000022 has 4 divisors (see below), whose sum is σ = 1666531500036. Its totient is φ = 555510500010.

The previous prime is 1111020999971. The next prime is 1111021000049. The reversal of 1111021000022 is 2200001201111.

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 = 1111020999967 and 1111021000012.

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, 277755250004 + ... + 277755250007.

It is an arithmetic number, because the mean of its divisors is an integer number (416632875009).

Almost surely, 2^{1111021000022} is an apocalyptic number.

1111021000022 is a deficient number, since it is larger than the sum of its proper divisors (555510500014).

1111021000022 is an equidigital number, since it uses as much as digits as its factorization.

1111021000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555510500013.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1111021000022 its reverse (2200001201111), we get a palindrome (3311022201133).

The spelling of 1111021000022 in words is "one trillion, one hundred eleven billion, twenty-one million, twenty-two", and thus it is an aban number.