1100121001210 has 128 divisors (see below), whose sum is σ = 2482761093120. Its totient is φ = 340967232000.

The previous prime is 1100121001193. The next prime is 1100121001229. The reversal of 1100121001210 is 121001210011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103769910 + ... + 103780510.

It is an arithmetic number, because the mean of its divisors is an integer number (19396571040).

Almost surely, 2^{1100121001210} is an apocalyptic number.

1100121001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100121001210 is an abundant number, since it is smaller than the sum of its proper divisors (1382640091910).

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

1100121001210 is a wasteful number, since it uses less digits than its factorization.

1100121001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100121001210 its reverse (121001210011), we get a palindrome (1221122211221).

The spelling of 1100121001210 in words is "one trillion, one hundred billion, one hundred twenty-one million, one thousand, two hundred ten".