1201101210122 has 24 divisors (see below), whose sum is σ = 1980645524928. Its totient is φ = 545867565320.

The previous prime is 1201101210121. The next prime is 1201101210131. The reversal of 1201101210122 is 2210121011021.

It is a junction number, because it is equal to n+sod(n) for n = 1201101210097 and 1201101210106.

It is not an unprimeable number, because it can be changed into a prime (1201101210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1126733 + ... + 1916175.

It is an arithmetic number, because the mean of its divisors is an integer number (82526896872).

Almost surely, 2^{1201101210122} is an apocalyptic number.

1201101210122 is a deficient number, since it is larger than the sum of its proper divisors (779544314806).

1201101210122 is a wasteful number, since it uses less digits than its factorization.

1201101210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795754 (or 795743 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1201101210122 its reverse (2210121011021), we get a palindrome (3411222221143).

The spelling of 1201101210122 in words is "one trillion, two hundred one billion, one hundred one million, two hundred ten thousand, one hundred twenty-two".