1021121310122 has 8 divisors (see below), whose sum is σ = 1536671158176. Its totient is φ = 508897590732.

The previous prime is 1021121310101. The next prime is 1021121310137. The reversal of 1021121310122 is 2210131211201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1021121310122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831531398 + ... + 831532625.

It is an arithmetic number, because the mean of its divisors is an integer number (192083894772).

Almost surely, 2^{1021121310122} is an apocalyptic number.

1021121310122 is a deficient number, since it is larger than the sum of its proper divisors (515549848054).

1021121310122 is a wasteful number, since it uses less digits than its factorization.

1021121310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663064332.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1021121310122 its reverse (2210131211201), we get a palindrome (3231252521323).

The spelling of 1021121310122 in words is "one trillion, twenty-one billion, one hundred twenty-one million, three hundred ten thousand, one hundred twenty-two".