1011020022211 has 2 divisors, whose sum is σ = 1011020022212. Its totient is φ = 1011020022210.

The previous prime is 1011020022197. The next prime is 1011020022227. The reversal of 1011020022211 is 1122200201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011020022211 - 2⁷ = 1011020022083 is a prime.

It is a super-2 number, since 2×1011020022211² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011020022191 and 1011020022200.

It is not a weakly prime, because it can be changed into another prime (1011020022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510011105 + 505510011106.

It is an arithmetic number, because the mean of its divisors is an integer number (505510011106).

Almost surely, 2^{1011020022211} is an apocalyptic number.

1011020022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020022211 is an equidigital number, since it uses as much as digits as its factorization.

1011020022211 is an evil number, because the sum of its binary digits is even.

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

Adding to 1011020022211 its reverse (1122200201101), we get a palindrome (2133220223312).

The spelling of 1011020022211 in words is "one trillion, eleven billion, twenty million, twenty-two thousand, two hundred eleven".