1011111122026 has 8 divisors (see below), whose sum is σ = 1527577954560. Its totient is φ = 501918470508.

The previous prime is 1011111121981. The next prime is 1011111122027. The reversal of 1011111122026 is 6202211111101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1011111121994 and 1011111122012.

It is not an unprimeable number, because it can be changed into a prime (1011111122027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1818544906 + ... + 1818545461.

It is an arithmetic number, because the mean of its divisors is an integer number (190947244320).

Almost surely, 2^{1011111122026} is an apocalyptic number.

1011111122026 is a deficient number, since it is larger than the sum of its proper divisors (516466832534).

1011111122026 is a wasteful number, since it uses less digits than its factorization.

1011111122026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637090508.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 1011111122026 its reverse (6202211111101), we get a palindrome (7213322233127).

The spelling of 1011111122026 in words is "one trillion, eleven billion, one hundred eleven million, one hundred twenty-two thousand, twenty-six".