1010101101210 has 48 divisors (see below), whose sum is σ = 2626313728896. Its totient is φ = 269355076704.

The previous prime is 1010101101203. The next prime is 1010101101223. The reversal of 1010101101210 is 121011010101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1010101101192 and 1010101101201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7530147 + ... + 7663113.

It is an arithmetic number, because the mean of its divisors is an integer number (54714869352).

Almost surely, 2^{1010101101210} is an apocalyptic number.

1010101101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010101101210 is an abundant number, since it is smaller than the sum of its proper divisors (1616212627686).

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

1010101101210 is a wasteful number, since it uses less digits than its factorization.

1010101101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217387 (or 217384 counting only the distinct ones).

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

Adding to 1010101101210 its reverse (121011010101), we get a palindrome (1131112111311).

The spelling of 1010101101210 in words is "one trillion, ten billion, one hundred one million, one hundred one thousand, two hundred ten".