1020121111022 has 32 divisors (see below), whose sum is σ = 1675527384384. Its totient is φ = 462933907200.

The previous prime is 1020121110989. The next prime is 1020121111081. The reversal of 1020121111022 is 2201111210201.

It is a junction number, because it is equal to n+sod(n) for n = 1020121110988 and 1020121111006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181018 + ... + 4418274.

It is an arithmetic number, because the mean of its divisors is an integer number (52360230762).

Almost surely, 2^{1020121111022} is an apocalyptic number.

1020121111022 is a deficient number, since it is larger than the sum of its proper divisors (655406273362).

1020121111022 is a wasteful number, since it uses less digits than its factorization.

1020121111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240044.

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

Adding to 1020121111022 its reverse (2201111210201), we get a palindrome (3221232321223).

The spelling of 1020121111022 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".