1020112202011 has 4 divisors (see below), whose sum is σ = 1165842516592. Its totient is φ = 874381887432.

The previous prime is 1020112202009. The next prime is 1020112202047. The reversal of 1020112202011 is 1102022110201.

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 1020112202011 - 2¹ = 1020112202009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020112201982 and 1020112202000.

It is not an unprimeable number, because it can be changed into a prime (1020112202071) 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, 72865157280 + ... + 72865157293.

It is an arithmetic number, because the mean of its divisors is an integer number (291460629148).

Almost surely, 2^{1020112202011} is an apocalyptic number.

1020112202011 is a deficient number, since it is larger than the sum of its proper divisors (145730314581).

1020112202011 is an equidigital number, since it uses as much as digits as its factorization.

1020112202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145730314580.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020112202011 its reverse (1102022110201), we get a palindrome (2122134312212).

The spelling of 1020112202011 in words is "one trillion, twenty billion, one hundred twelve million, two hundred two thousand, eleven".