133021113122 has 4 divisors (see below), whose sum is σ = 199531669686. Its totient is φ = 66510556560.

The previous prime is 133021113109. The next prime is 133021113133. The reversal of 133021113122 is 221311120331.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 130878256441 + 2142856681 = 361771^2 + 46291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133021113094 and 133021113103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33255278279 + ... + 33255278282.

Almost surely, 2^133021113122 is an apocalyptic number.

133021113122 is a deficient number, since it is larger than the sum of its proper divisors (66510556564).

133021113122 is an equidigital number, since it uses as much as digits as its factorization.

133021113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66510556563.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 133021113122 its reverse (221311120331), we get a palindrome (354332233453).

The spelling of 133021113122 in words is "one hundred thirty-three billion, twenty-one million, one hundred thirteen thousand, one hundred twenty-two".