1020121020222 has 16 divisors (see below), whose sum is σ = 2040712302720. Its totient is φ = 339961963032.

The previous prime is 1020121020181. The next prime is 1020121020241. The reversal of 1020121020222 is 2220201210201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19566058 + ... + 19618125.

It is an arithmetic number, because the mean of its divisors is an integer number (127544518920).

Almost surely, 2^{1020121020222} is an apocalyptic number.

1020121020222 is an abundant number, since it is smaller than the sum of its proper divisors (1020591282498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020121020222 is a wasteful number, since it uses less digits than its factorization.

1020121020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39188527.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020121020222 its reverse (2220201210201), we get a palindrome (3240322230423).

The spelling of 1020121020222 in words is "one trillion, twenty billion, one hundred twenty-one million, twenty thousand, two hundred twenty-two".