1011011220122 has 4 divisors (see below), whose sum is σ = 1516516830186. Its totient is φ = 505505610060.

The previous prime is 1011011220119. The next prime is 1011011220157. The reversal of 1011011220122 is 2210221101101.

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

It can be written as a sum of positive squares in only one way, i.e., 1009962690961 + 1048529161 = 1004969^2 + 32381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011011220097 and 1011011220106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252752805029 + ... + 252752805032.

Almost surely, 2^{1011011220122} is an apocalyptic number.

1011011220122 is a deficient number, since it is larger than the sum of its proper divisors (505505610064).

1011011220122 is an equidigital number, since it uses as much as digits as its factorization.

1011011220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505505610063.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011011220122 its reverse (2210221101101), we get a palindrome (3221232321223).

The spelling of 1011011220122 in words is "one trillion, eleven billion, eleven million, two hundred twenty thousand, one hundred twenty-two".