1011220210011 has 16 divisors (see below), whose sum is σ = 1470929235840. Its totient is φ = 612834285120.

The previous prime is 1011220209931. The next prime is 1011220210019. The reversal of 1011220210011 is 1100120221101.

It is not a de Polignac number, because 1011220210011 - 2¹⁵ = 1011220177243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011220210019) 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, 129160 + ... + 1427978.

It is an arithmetic number, because the mean of its divisors is an integer number (91933077240).

Almost surely, 2^{1011220210011} is an apocalyptic number.

1011220210011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011220210011 is a deficient number, since it is larger than the sum of its proper divisors (459709025829).

1011220210011 is a wasteful number, since it uses less digits than its factorization.

1011220210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322426.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011220210011 its reverse (1100120221101), we get a palindrome (2111340431112).

The spelling of 1011220210011 in words is "one trillion, eleven billion, two hundred twenty million, two hundred ten thousand, eleven".