122121031011031 has 8 divisors (see below), whose sum is σ = 132791800712480. Its totient is φ = 111632667629472.

The previous prime is 122121031011019. The next prime is 122121031011047. The reversal of 122121031011031 is 130110130121221.

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

It is a cyclic number.

It is not a de Polignac number, because 122121031011031 - 2¹¹ = 122121031008983 is a prime.

It is a super-2 number, since 2×122121031011031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121031011431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45601578576 + ... + 45601581253.

It is an arithmetic number, because the mean of its divisors is an integer number (16598975089060).

Almost surely, 2^{122121031011031} is an apocalyptic number.

122121031011031 is a deficient number, since it is larger than the sum of its proper divisors (10670769701449).

122121031011031 is a wasteful number, since it uses less digits than its factorization.

122121031011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91203159945.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 122121031011031 its reverse (130110130121221), we get a palindrome (252231161132252).

The spelling of 122121031011031 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, thirty-one million, eleven thousand, thirty-one".