10120021301111 has 4 divisors (see below), whose sum is σ = 10120027685400. Its totient is φ = 10120014916824.

The previous prime is 10120021301107. The next prime is 10120021301141. The reversal of 10120021301111 is 11110312002101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10120021301111 - 2² = 10120021301107 is a prime.

It is a super-2 number, since 2×10120021301111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120021301141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199885 + ... + 4656153.

It is an arithmetic number, because the mean of its divisors is an integer number (2530006921350).

Almost surely, 2^{10120021301111} is an apocalyptic number.

10120021301111 is a deficient number, since it is larger than the sum of its proper divisors (6384289).

10120021301111 is an equidigital number, since it uses as much as digits as its factorization.

10120021301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384288.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10120021301111 its reverse (11110312002101), we get a palindrome (21230333303212).

The spelling of 10120021301111 in words is "ten trillion, one hundred twenty billion, twenty-one million, three hundred one thousand, one hundred eleven".