1102121121010 has 128 divisors (see below), whose sum is σ = 2585902878720. Its totient is φ = 328416996096.

The previous prime is 1102121120999. The next prime is 1102121121089. The reversal of 1102121121010 is 101211212011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 2622739 + ... + 3013801.

It is an arithmetic number, because the mean of its divisors is an integer number (20202366240).

Almost surely, 2^{1102121121010} is an apocalyptic number.

1102121121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1102121121010 is an abundant number, since it is smaller than the sum of its proper divisors (1483781757710).

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

1102121121010 is a wasteful number, since it uses less digits than its factorization.

1102121121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391272.

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

Adding to 1102121121010 its reverse (101211212011), we get a palindrome (1203332333021).

The spelling of 1102121121010 in words is "one trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, ten".