1012221011011 has 16 divisors (see below), whose sum is σ = 1158705773568. Its totient is φ = 866207059200.

The previous prime is 1012221010993. The next prime is 1012221011027. The reversal of 1012221011011 is 1101101222101.

It is a happy number.

1012221011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012221011011 - 2⁷ = 1012221010883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012221010982 and 1012221011000.

It is not an unprimeable number, because it can be changed into a prime (1012221011041) 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, 54030516 + ... + 54049246.

It is an arithmetic number, because the mean of its divisors is an integer number (72419110848).

Almost surely, 2^{1012221011011} is an apocalyptic number.

1012221011011 is a deficient number, since it is larger than the sum of its proper divisors (146484762557).

1012221011011 is a wasteful number, since it uses less digits than its factorization.

1012221011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30882.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012221011011 its reverse (1101101222101), we get a palindrome (2113322233112).

The spelling of 1012221011011 in words is "one trillion, twelve billion, two hundred twenty-one million, eleven thousand, eleven".