1022011211111 has 8 divisors (see below), whose sum is σ = 1115061429504. Its totient is φ = 928984344120.

The previous prime is 1022011211077. The next prime is 1022011211131. The reversal of 1022011211111 is 1111121102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022011211111 - 2¹⁸ = 1022010948967 is a prime.

It is a super-3 number, since 3×1022011211111³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011211131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5746271 + ... + 5921456.

It is an arithmetic number, because the mean of its divisors is an integer number (139382678688).

Almost surely, 2^{1022011211111} is an apocalyptic number.

1022011211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022011211111 is a deficient number, since it is larger than the sum of its proper divisors (93050218393).

1022011211111 is a wasteful number, since it uses less digits than its factorization.

1022011211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675701.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1022011211111 its reverse (1111121102201), we get a palindrome (2133132313312).

The spelling of 1022011211111 in words is "one trillion, twenty-two billion, eleven million, two hundred eleven thousand, one hundred eleven".