1011211022133 has 96 divisors (see below), whose sum is σ = 1654996936320. Its totient is φ = 613272591360.

The previous prime is 1011211022123. The next prime is 1011211022201. The reversal of 1011211022133 is 3312201121101.

It is not a de Polignac number, because 1011211022133 - 2¹⁰ = 1011211021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011211022113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87994518 + ... + 88006008.

It is an arithmetic number, because the mean of its divisors is an integer number (17239551420).

Almost surely, 2^{1011211022133} is an apocalyptic number.

1011211022133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1011211022133 is a deficient number, since it is larger than the sum of its proper divisors (643785914187).

1011211022133 is a wasteful number, since it uses less digits than its factorization.

1011211022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921 (or 11909 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1011211022133 its reverse (3312201121101), we get a palindrome (4323412143234).

The spelling of 1011211022133 in words is "one trillion, eleven billion, two hundred eleven million, twenty-two thousand, one hundred thirty-three".