1210011110100 has 1152 divisors, whose sum is σ = 4527310233600. Its totient is φ = 274901299200.

The previous prime is 1210011110083. The next prime is 1210011110117. The reversal of 1210011110100 is 10111100121.

It is an interprime number because it is at equal distance from previous prime (1210011110083) and next prime (1210011110117).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4600802569 + ... + 4600802831.

It is an arithmetic number, because the mean of its divisors is an integer number (3929956800).

Almost surely, 2^{1210011110100} is an apocalyptic number.

1210011110100 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 1210011110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2263655116800).

1210011110100 is an abundant number, since it is smaller than the sum of its proper divisors (3317299123500).

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

1210011110100 is a wasteful number, since it uses less digits than its factorization.

1210011110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1210011110100 its reverse (10111100121), we get a palindrome (1220122210221).

The spelling of 1210011110100 in words is "one trillion, two hundred ten billion, eleven million, one hundred ten thousand, one hundred".