1102201212100 has 18 divisors (see below), whose sum is σ = 2391776630474. Its totient is φ = 440880484800.

The previous prime is 1102201212059. The next prime is 1102201212137. The reversal of 1102201212100 is 12121022011.

It can be written as a sum of positive squares in 3 ways, for example, as 389904516 + 1101811307584 = 19746^2 + 1049672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5511005961 + ... + 5511006160.

Almost surely, 2^{1102201212100} is an apocalyptic number.

1102201212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102201212100 is an abundant number, since it is smaller than the sum of its proper divisors (1289575418374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102201212100 is a wasteful number, since it uses less digits than its factorization.

1102201212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022012135 (or 11022012128 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102201212100 its reverse (12121022011), we get a palindrome (1114322234111).

The spelling of 1102201212100 in words is "one trillion, one hundred two billion, two hundred one million, two hundred twelve thousand, one hundred".