1102121120100 has 576 divisors, whose sum is σ = 4397230559232. Its totient is φ = 205680384000.

The previous prime is 1102121120069. The next prime is 1102121120123. The reversal of 1102121120100 is 10211212011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11061505 + ... + 11160695.

It is an arithmetic number, because the mean of its divisors is an integer number (7634080832).

Almost surely, 2^{1102121120100} is an apocalyptic number.

1102121120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102121120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2198615279616).

1102121120100 is an abundant number, since it is smaller than the sum of its proper divisors (3295109439132).

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

1102121120100 is a wasteful number, since it uses less digits than its factorization.

1102121120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99276 (or 99269 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1102121120100 its reverse (10211212011), we get a palindrome (1112332332111).

It can be divided in two parts, 1102121 and 120100, that added together give a palindrome (1222221).

The spelling of 1102121120100 in words is "one trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty thousand, one hundred".