1102021121210 has 16 divisors (see below), whose sum is σ = 2003278000392. Its totient is φ = 436444008000.

The previous prime is 1102021121209. The next prime is 1102021121213. The reversal of 1102021121210 is 121211202011.

It can be written as a sum of positive squares in 4 ways, for example, as 927740755249 + 174280365961 = 963193^2 + 417469^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1102021121213) 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, 545554001 + ... + 545556020.

Almost surely, 2^{1102021121210} is an apocalyptic number.

1102021121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102021121210 is a deficient number, since it is larger than the sum of its proper divisors (901256879182).

1102021121210 is a wasteful number, since it uses less digits than its factorization.

1102021121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091110129.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102021121210 its reverse (121211202011), we get a palindrome (1223232323221).

The spelling of 1102021121210 in words is "one trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, two hundred ten".