11212020102101 has 16 divisors (see below), whose sum is σ = 13805491324800. Its totient is φ = 8867139035328.

The previous prime is 11212020102053. The next prime is 11212020102109. The reversal of 11212020102101 is 10120102021211.

It is a de Polignac number, because none of the positive numbers 2^k-11212020102101 is a prime.

It is a super-2 number, since 2×11212020102101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212020102109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26944031 + ... + 27356988.

It is an arithmetic number, because the mean of its divisors is an integer number (862843207800).

Almost surely, 2^{11212020102101} is an apocalyptic number.

It is an amenable number.

11212020102101 is a deficient number, since it is larger than the sum of its proper divisors (2593471222699).

11212020102101 is a wasteful number, since it uses less digits than its factorization.

11212020102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54303308.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212020102101 its reverse (10120102021211), we get a palindrome (21332122123312).

The spelling of 11212020102101 in words is "eleven trillion, two hundred twelve billion, twenty million, one hundred two thousand, one hundred one".