11011211001010 has 48 divisors (see below), whose sum is σ = 21788731375488. Its totient is φ = 4003541173280.

The previous prime is 11011211000983. The next prime is 11011211001041. The reversal of 11011211001010 is 1010011211011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8498007 + ... + 9707653.

It is an arithmetic number, because the mean of its divisors is an integer number (453931903656).

Almost surely, 2^{11011211001010} is an apocalyptic number.

11011211001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011211001010 is a deficient number, since it is larger than the sum of its proper divisors (10777520374478).

11011211001010 is a wasteful number, since it uses less digits than its factorization.

11011211001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217199 (or 1217188 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11011211001010 its reverse (1010011211011), we get a palindrome (12021222212021).

The spelling of 11011211001010 in words is "eleven trillion, eleven billion, two hundred eleven million, one thousand, ten".