11111022201010 has 16 divisors (see below), whose sum is σ = 19999904864472. Its totient is φ = 4444394457600.

The previous prime is 11111022201001. The next prime is 11111022201011. The reversal of 11111022201010 is 1010222011111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9891320632209 + 1219701568801 = 3145047^2 + 1104401^2 .

It is not an unprimeable number, because it can be changed into a prime (11111022201011) 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, 1769890 + ... + 5035330.

Almost surely, 2^{11111022201010} is an apocalyptic number.

11111022201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111022201010 is a deficient number, since it is larger than the sum of its proper divisors (8888882663462).

11111022201010 is a wasteful number, since it uses less digits than its factorization.

11111022201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605709.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111022201010 its reverse (1010222011111), we get a palindrome (12121244212121).

The spelling of 11111022201010 in words is "eleven trillion, one hundred eleven billion, twenty-two million, two hundred one thousand, ten".