1022202120111 has 4 divisors (see below), whose sum is σ = 1362936160152. Its totient is φ = 681468080072.

The previous prime is 1022202120103. The next prime is 1022202120161. The reversal of 1022202120111 is 1110212022201.

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 1022202120111 - 2³ = 1022202120103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022202120161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170367020016 + ... + 170367020021.

It is an arithmetic number, because the mean of its divisors is an integer number (340734040038).

Almost surely, 2^{1022202120111} is an apocalyptic number.

1022202120111 is a deficient number, since it is larger than the sum of its proper divisors (340734040041).

1022202120111 is an equidigital number, since it uses as much as digits as its factorization.

1022202120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340734040040.

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

Adding to 1022202120111 its reverse (1110212022201), we get a palindrome (2132414142312).

The spelling of 1022202120111 in words is "one trillion, twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred eleven".