111210101211201 has 8 divisors (see below), whose sum is σ = 148281196523040. Its totient is φ = 74139536686752.

The previous prime is 111210101211199. The next prime is 111210101211203. The reversal of 111210101211201 is 102112101012111.

It is an interprime number because it is at equal distance from previous prime (111210101211199) and next prime (111210101211203).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111210101211201 - 2¹ = 111210101211199 is a prime.

It is a super-2 number, since 2×111210101211201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111210101211203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132207711 + ... + 133046228.

It is an arithmetic number, because the mean of its divisors is an integer number (18535149565380).

Almost surely, 2^{111210101211201} is an apocalyptic number.

It is an amenable number.

111210101211201 is a deficient number, since it is larger than the sum of its proper divisors (37071095311839).

111210101211201 is a wasteful number, since it uses less digits than its factorization.

111210101211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265393695.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111210101211201 its reverse (102112101012111), we get a palindrome (213322202223312).

The spelling of 111210101211201 in words is "one hundred eleven trillion, two hundred ten billion, one hundred one million, two hundred eleven thousand, two hundred one".