11020120112001 has 48 divisors (see below), whose sum is σ = 20080618504128. Its totient is φ = 5284373270400.

The previous prime is 11020120111999. The next prime is 11020120112003. The reversal of 11020120112001 is 10021102102011.

It is an interprime number because it is at equal distance from previous prime (11020120111999) and next prime (11020120112003).

It is not a de Polignac number, because 11020120112001 - 2¹ = 11020120111999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020120112003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262100670 + ... + 262142711.

It is an arithmetic number, because the mean of its divisors is an integer number (418346218836).

Almost surely, 2^{11020120112001} is an apocalyptic number.

11020120112001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020120112001 is a deficient number, since it is larger than the sum of its proper divisors (9060498392127).

11020120112001 is a wasteful number, since it uses less digits than its factorization.

11020120112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524243422 (or 524243415 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11020120112001 its reverse (10021102102011), we get a palindrome (21041222214012).

It can be divided in two parts, 11020120 and 112001, that added together give a triangular number (11132121 = T₄₇₁₈).

The spelling of 11020120112001 in words is "eleven trillion, twenty billion, one hundred twenty million, one hundred twelve thousand, one".