11021211111010 has 8 divisors (see below), whose sum is σ = 19838179999836. Its totient is φ = 4408484444400.

The previous prime is 11021211110999. The next prime is 11021211111061. The reversal of 11021211111010 is 1011111212011.

It can be written as a sum of positive squares in 2 ways, for example, as 10678392663961 + 342818447049 = 3267781^2 + 585507^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551060555541 + ... + 551060555560.

Almost surely, 2^{11021211111010} is an apocalyptic number.

11021211111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021211111010 is a deficient number, since it is larger than the sum of its proper divisors (8816968888826).

11021211111010 is a wasteful number, since it uses less digits than its factorization.

11021211111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102121111108.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11021211111010 its reverse (1011111212011), we get a palindrome (12032322323021).

The spelling of 11021211111010 in words is "eleven trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, ten".