1000022012111 has 16 divisors (see below), whose sum is σ = 1053360957600. Its totient is φ = 947981209728.

The previous prime is 1000022012083. The next prime is 1000022012117. The reversal of 1000022012111 is 1112102200001.

It is not a de Polignac number, because 1000022012111 - 2¹⁸ = 1000021749967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000022012092 and 1000022012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022012117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997001 + ... + 1730333.

It is an arithmetic number, because the mean of its divisors is an integer number (65835059850).

Almost surely, 2^{1000022012111} is an apocalyptic number.

1000022012111 is a deficient number, since it is larger than the sum of its proper divisors (53338945489).

1000022012111 is an equidigital number, since it uses as much as digits as its factorization.

1000022012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734218.

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

Adding to 1000022012111 its reverse (1112102200001), we get a palindrome (2112124212112).

The spelling of 1000022012111 in words is "one trillion, twenty-two million, twelve thousand, one hundred eleven".