1012220011011 has 8 divisors (see below), whose sum is σ = 1472320016064. Its totient is φ = 613466673320.

The previous prime is 1012220011009. The next prime is 1012220011043. The reversal of 1012220011011 is 1101100222101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012220011011 - 2¹ = 1012220011009 is a prime.

It is a super-2 number, since 2×1012220011011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012220011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15336666801 + ... + 15336666866.

It is an arithmetic number, because the mean of its divisors is an integer number (184040002008).

Almost surely, 2^{1012220011011} is an apocalyptic number.

1012220011011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012220011011 is a deficient number, since it is larger than the sum of its proper divisors (460100005053).

1012220011011 is a wasteful number, since it uses less digits than its factorization.

1012220011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673333681.

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

Adding to 1012220011011 its reverse (1101100222101), we get a palindrome (2113320233112).

The spelling of 1012220011011 in words is "one trillion, twelve billion, two hundred twenty million, eleven thousand, eleven".