11111022101202 has 64 divisors (see below), whose sum is σ = 22401950661504. Its totient is φ = 3673821864960.

The previous prime is 11111022101191. The next prime is 11111022101203. The reversal of 11111022101202 is 20210122011111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11111022101203) 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, 1010730618 + ... + 1010741610.

It is an arithmetic number, because the mean of its divisors is an integer number (350030479086).

Almost surely, 2^{11111022101202} is an apocalyptic number.

11111022101202 is an abundant number, since it is smaller than the sum of its proper divisors (11290928560302).

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

11111022101202 is a wasteful number, since it uses less digits than its factorization.

11111022101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11111022101202 its reverse (20210122011111), we get a palindrome (31321144112313).

Subtracting 11111022101202 from its reverse (20210122011111), we obtain a palindrome (9099099909909).

The spelling of 11111022101202 in words is "eleven trillion, one hundred eleven billion, twenty-two million, one hundred one thousand, two hundred two".