11220211012101 has 32 divisors (see below), whose sum is σ = 18910293282048. Its totient is φ = 5758397568000.

The previous prime is 11220211012099. The next prime is 11220211012111. The reversal of 11220211012101 is 10121011202211.

It is a happy number.

It is not a de Polignac number, because 11220211012101 - 2¹ = 11220211012099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220211012111) 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, 555390900 + ... + 555411101.

It is an arithmetic number, because the mean of its divisors is an integer number (590946665064).

Almost surely, 2^{11220211012101} is an apocalyptic number.

It is an amenable number.

11220211012101 is a deficient number, since it is larger than the sum of its proper divisors (7690082269947).

11220211012101 is a wasteful number, since it uses less digits than its factorization.

11220211012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110802061.

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

Adding to 11220211012101 its reverse (10121011202211), we get a palindrome (21341222214312).

The spelling of 11220211012101 in words is "eleven trillion, two hundred twenty billion, two hundred eleven million, twelve thousand, one hundred one".