1011010221111 has 32 divisors (see below), whose sum is σ = 1573334657280. Its totient is φ = 570968179200.

The previous prime is 1011010221103. The next prime is 1011010221119. The reversal of 1011010221111 is 1111220101101.

It is an interprime number because it is at equal distance from previous prime (1011010221103) and next prime (1011010221119).

It is not a de Polignac number, because 1011010221111 - 2³ = 1011010221103 is a prime.

It is a super-4 number, since 4×1011010221111⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011010221119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13178610 + ... + 13255103.

It is an arithmetic number, because the mean of its divisors is an integer number (49166708040).

Almost surely, 2^{1011010221111} is an apocalyptic number.

1011010221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011010221111 is a deficient number, since it is larger than the sum of its proper divisors (562324436169).

1011010221111 is a wasteful number, since it uses less digits than its factorization.

1011010221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433807.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011010221111 its reverse (1111220101101), we get a palindrome (2122230322212).

The spelling of 1011010221111 in words is "one trillion, eleven billion, ten million, two hundred twenty-one thousand, one hundred eleven".