1101201121210 has 32 divisors (see below), whose sum is σ = 2011882484160. Its totient is φ = 433876789632.

The previous prime is 1101201121159. The next prime is 1101201121219. The reversal of 1101201121210 is 121211021011.

It is a happy number.

It is a super-2 number, since 2×1101201121210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101201121219) 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, 11731182 + ... + 11824678.

It is an arithmetic number, because the mean of its divisors is an integer number (62871327630).

Almost surely, 2^{1101201121210} is an apocalyptic number.

1101201121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101201121210 is a deficient number, since it is larger than the sum of its proper divisors (910681362950).

1101201121210 is a wasteful number, since it uses less digits than its factorization.

1101201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111150.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101201121210 its reverse (121211021011), we get a palindrome (1222412142221).

The spelling of 1101201121210 in words is "one trillion, one hundred one billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".