1102122072481 has 4 divisors (see below), whose sum is σ = 1102643665732. Its totient is φ = 1101600479232.

The previous prime is 1102122072463. The next prime is 1102122072523. The reversal of 1102122072481 is 1842702212011.

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 552138163600 + 549983908881 = 743060^2 + 741609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102122072481 - 2¹¹ = 1102122070433 is a prime.

It is a super-2 number, since 2×1102122072481² (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 (1102122072581) 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, 260793456 + ... + 260797681.

It is an arithmetic number, because the mean of its divisors is an integer number (275660916433).

Almost surely, 2^{1102122072481} is an apocalyptic number.

It is an amenable number.

1102122072481 is a deficient number, since it is larger than the sum of its proper divisors (521593251).

1102122072481 is an equidigital number, since it uses as much as digits as its factorization.

1102122072481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521593250.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 1102122072481 its reverse (1842702212011), we get a palindrome (2944824284492).

The spelling of 1102122072481 in words is "one trillion, one hundred two billion, one hundred twenty-two million, seventy-two thousand, four hundred eighty-one".