1200210211101 has 96 divisors (see below), whose sum is σ = 1962269337600. Its totient is φ = 645200363520.

The previous prime is 1200210211099. The next prime is 1200210211121. The reversal of 1200210211101 is 1011120120021.

It is not a de Polignac number, because 1200210211101 - 2¹ = 1200210211099 is a prime.

It is a super-2 number, since 2×1200210211101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200210211121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34955020 + ... + 34989338.

It is an arithmetic number, because the mean of its divisors is an integer number (20440305600).

Almost surely, 2^{1200210211101} is an apocalyptic number.

1200210211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200210211101 is a deficient number, since it is larger than the sum of its proper divisors (762059126499).

1200210211101 is a wasteful number, since it uses less digits than its factorization.

1200210211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34579 (or 34562 counting only the distinct ones).

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

Adding to 1200210211101 its reverse (1011120120021), we get a palindrome (2211330331122).

The spelling of 1200210211101 in words is "one trillion, two hundred billion, two hundred ten million, two hundred eleven thousand, one hundred one".