1020121202211 has 16 divisors (see below), whose sum is σ = 1402767628800. Its totient is φ = 658931601888.

The previous prime is 1020121202207. The next prime is 1020121202237. The reversal of 1020121202211 is 1122021210201.

It is not a de Polignac number, because 1020121202211 - 2² = 1020121202207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020121202281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19200001 + ... + 19253058.

It is an arithmetic number, because the mean of its divisors is an integer number (87672976800).

Almost surely, 2^{1020121202211} is an apocalyptic number.

1020121202211 is a deficient number, since it is larger than the sum of its proper divisors (382646426589).

1020121202211 is a wasteful number, since it uses less digits than its factorization.

1020121202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38453338.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020121202211 its reverse (1122021210201), we get a palindrome (2142142412412).

The spelling of 1020121202211 in words is "one trillion, twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred eleven".