1001212233011 has 32 divisors (see below), whose sum is σ = 1050653306880. Its totient is φ = 952870464000.

The previous prime is 1001212232981. The next prime is 1001212233013. The reversal of 1001212233011 is 1103322121001.

1001212233011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1001212233011 - 2²² = 1001208038707 is a prime.

It is a super-2 number, since 2×1001212233011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001212233013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680633006 + ... + 680634476.

It is an arithmetic number, because the mean of its divisors is an integer number (32832915840).

Almost surely, 2^{1001212233011} is an apocalyptic number.

1001212233011 is a deficient number, since it is larger than the sum of its proper divisors (49441073869).

1001212233011 is a wasteful number, since it uses less digits than its factorization.

1001212233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1001212233011 its reverse (1103322121001), we get a palindrome (2104534354012).

The spelling of 1001212233011 in words is "one trillion, one billion, two hundred twelve million, two hundred thirty-three thousand, eleven".