1020121122010 has 16 divisors (see below), whose sum is σ = 1840051468800. Its totient is φ = 407196571216.

The previous prime is 1020121121963. The next prime is 1020121122019. The reversal of 1020121122010 is 102211210201.

It is not an unprimeable number, because it can be changed into a prime (1020121122019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106479670 + ... + 106489249.

It is an arithmetic number, because the mean of its divisors is an integer number (115003216800).

Almost surely, 2^{1020121122010} is an apocalyptic number.

1020121122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020121122010 is a deficient number, since it is larger than the sum of its proper divisors (819930346790).

1020121122010 is a wasteful number, since it uses less digits than its factorization.

1020121122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212969405.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020121122010 its reverse (102211210201), we get a palindrome (1122332332211).

The spelling of 1020121122010 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".