1020121002202 has 16 divisors (see below), whose sum is σ = 1556185788000. Its totient is φ = 501393173040.

The previous prime is 1020121002167. The next prime is 1020121002221. The reversal of 1020121002202 is 2022001210201.

It is a happy number.

It is a super-2 number, since 2×1020121002202² (a number of 25 digits) contains 22 as substring.

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, 2659549 + ... + 3018847.

It is an arithmetic number, because the mean of its divisors is an integer number (97261611750).

Almost surely, 2^{1020121002202} is an apocalyptic number.

1020121002202 is a deficient number, since it is larger than the sum of its proper divisors (536064785798).

1020121002202 is a wasteful number, since it uses less digits than its factorization.

1020121002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383421.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020121002202 its reverse (2022001210201), we get a palindrome (3042122212403).

The spelling of 1020121002202 in words is "one trillion, twenty billion, one hundred twenty-one million, two thousand, two hundred two".