1020120202211 has 4 divisors (see below), whose sum is σ = 1112858402424. Its totient is φ = 927382002000.

The previous prime is 1020120202169. The next prime is 1020120202261. The reversal of 1020120202211 is 1122020210201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020120202211 - 2⁶ = 1020120202147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020120202261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46369100090 + ... + 46369100111.

It is an arithmetic number, because the mean of its divisors is an integer number (278214600606).

Almost surely, 2^{1020120202211} is an apocalyptic number.

1020120202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020120202211 is a deficient number, since it is larger than the sum of its proper divisors (92738200213).

1020120202211 is an equidigital number, since it uses as much as digits as its factorization.

1020120202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92738200212.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020120202211 its reverse (1122020210201), we get a palindrome (2142140412412).

The spelling of 1020120202211 in words is "one trillion, twenty billion, one hundred twenty million, two hundred two thousand, two hundred eleven".