1020122121202 has 16 divisors (see below), whose sum is σ = 1611648682560. Its totient is φ = 482936878512.

The previous prime is 1020122121199. The next prime is 1020122121247. The reversal of 1020122121202 is 2021212210201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7679478 + ... + 7811185.

It is an arithmetic number, because the mean of its divisors is an integer number (100728042660).

Almost surely, 2^{1020122121202} is an apocalyptic number.

1020122121202 is a deficient number, since it is larger than the sum of its proper divisors (591526561358).

1020122121202 is a wasteful number, since it uses less digits than its factorization.

1020122121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492417.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1020122121202 its reverse (2021212210201), we get a palindrome (3041334331403).

The spelling of 1020122121202 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred two".