11111211002010 has 64 divisors (see below), whose sum is σ = 30488228388864. Its totient is φ = 2538725044800.

The previous prime is 11111211001903. The next prime is 11111211002051. The reversal of 11111211002010 is 1020011211111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9666336 + ... + 10754555.

It is an arithmetic number, because the mean of its divisors is an integer number (476378568576).

Almost surely, 2^{11111211002010} is an apocalyptic number.

11111211002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111211002010 is an abundant number, since it is smaller than the sum of its proper divisors (19377017386854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111211002010 is a wasteful number, since it uses less digits than its factorization.

11111211002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20423499.

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

Adding to 11111211002010 its reverse (1020011211111), we get a palindrome (12131222213121).

The spelling of 11111211002010 in words is "eleven trillion, one hundred eleven billion, two hundred eleven million, two thousand, ten".