1011210542434 has 8 divisors (see below), whose sum is σ = 1582764327360. Its totient is φ = 483622433316.

The previous prime is 1011210542431. The next prime is 1011210542453. The reversal of 1011210542434 is 4342450121101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1011210542434² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011210542431) 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, 10991418894 + ... + 10991418985.

It is an arithmetic number, because the mean of its divisors is an integer number (197845540920).

Almost surely, 2^{1011210542434} is an apocalyptic number.

1011210542434 is a deficient number, since it is larger than the sum of its proper divisors (571553784926).

1011210542434 is a wasteful number, since it uses less digits than its factorization.

1011210542434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21982837904.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1011210542434 its reverse (4342450121101), we get a palindrome (5353660663535).

The spelling of 1011210542434 in words is "one trillion, eleven billion, two hundred ten million, five hundred forty-two thousand, four hundred thirty-four".