1011212212033 has 4 divisors (see below), whose sum is σ = 1011773686468. Its totient is φ = 1010650737600.

The previous prime is 1011212211983. The next prime is 1011212212037. The reversal of 1011212212033 is 3302122121101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132825260304 + 878386951729 = 364452^2 + 937223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011212212033 - 2¹⁷ = 1011212080961 is a prime.

It is a super-3 number, since 3×1011212212033³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011212212033.

It is not an unprimeable number, because it can be changed into a prime (1011212212037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280734516 + ... + 280738117.

It is an arithmetic number, because the mean of its divisors is an integer number (252943421617).

Almost surely, 2^{1011212212033} is an apocalyptic number.

It is an amenable number.

1011212212033 is a deficient number, since it is larger than the sum of its proper divisors (561474435).

1011212212033 is an equidigital number, since it uses as much as digits as its factorization.

1011212212033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561474434.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1011212212033 its reverse (3302122121101), we get a palindrome (4313334333134).

The spelling of 1011212212033 in words is "one trillion, eleven billion, two hundred twelve million, two hundred twelve thousand, thirty-three".