1020120202011 has 16 divisors (see below), whose sum is σ = 1361888476416. Its totient is φ = 679216247136.

The previous prime is 1020120201973. The next prime is 1020120202043. The reversal of 1020120202011 is 1102020210201.

It is not a de Polignac number, because 1020120202011 - 2¹⁰ = 1020120200987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020120202051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22926061 + ... + 22970513.

It is an arithmetic number, because the mean of its divisors is an integer number (85118029776).

Almost surely, 2^{1020120202011} is an apocalyptic number.

1020120202011 is a deficient number, since it is larger than the sum of its proper divisors (341768274405).

1020120202011 is an equidigital number, since it uses as much as digits as its factorization.

1020120202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54002.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020120202011 its reverse (1102020210201), we get a palindrome (2122140412212).

The spelling of 1020120202011 in words is "one trillion, twenty billion, one hundred twenty million, two hundred two thousand, eleven".