1011211152001 has 16 divisors (see below), whose sum is σ = 1106727019200. Its totient is φ = 920260087488.

The previous prime is 1011211151981. The next prime is 1011211152169. The reversal of 1011211152001 is 1002511121101.

It is a cyclic number.

It is not a de Polignac number, because 1011211152001 - 2¹³ = 1011211143809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011211152401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4549395 + ... + 4766488.

It is an arithmetic number, because the mean of its divisors is an integer number (69170438700).

Almost surely, 2^{1011211152001} is an apocalyptic number.

It is an amenable number.

1011211152001 is a deficient number, since it is larger than the sum of its proper divisors (95515867199).

1011211152001 is a wasteful number, since it uses less digits than its factorization.

1011211152001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316128.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 1011211152001 its reverse (1002511121101), we get a palindrome (2013722273102).

The spelling of 1011211152001 in words is "one trillion, eleven billion, two hundred eleven million, one hundred fifty-two thousand, one".