1010121111010 has 64 divisors (see below), whose sum is σ = 1994176381824. Its totient is φ = 365342745600.

The previous prime is 1010121110987. The next prime is 1010121111017. The reversal of 1010121111010 is 101111210101.

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

It is not an unprimeable number, because it can be changed into a prime (1010121111017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119635849 + ... + 119644291.

It is an arithmetic number, because the mean of its divisors is an integer number (31159005966).

Almost surely, 2^{1010121111010} is an apocalyptic number.

1010121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010121111010 is a deficient number, since it is larger than the sum of its proper divisors (984055270814).

1010121111010 is a wasteful number, since it uses less digits than its factorization.

1010121111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1010121111010 its reverse (101111210101), we get a palindrome (1111232321111).

Subtracting from 1010121111010 its reverse (101111210101), we obtain a palindrome (909009900909).

The spelling of 1010121111010 in words is "one trillion, ten billion, one hundred twenty-one million, one hundred eleven thousand, ten".