1011220001011 has 12 divisors (see below), whose sum is σ = 1111552329496. Its totient is φ = 919252825920.

The previous prime is 1011220000963. The next prime is 1011220001017. The reversal of 1011220001011 is 1101000221101.

It is not a de Polignac number, because 1011220001011 - 2¹⁷ = 1011219869939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011220001017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2998891 + ... + 3319003.

Almost surely, 2^{1011220001011} is an apocalyptic number.

1011220001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011220001011 is a deficient number, since it is larger than the sum of its proper divisors (100332328485).

1011220001011 is a wasteful number, since it uses less digits than its factorization.

1011220001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346242 (or 346231 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011220001011 its reverse (1101000221101), we get a palindrome (2112220222112).

The spelling of 1011220001011 in words is "one trillion, eleven billion, two hundred twenty million, one thousand, eleven".