1011210121010 has 16 divisors (see below), whose sum is σ = 1842108077376. Its totient is φ = 399610746288.

The previous prime is 1011210120997. The next prime is 1011210121021. The reversal of 1011210121010 is 101210121101.

It is a junction number, because it is equal to n+sod(n) for n = 1011210120982 and 1011210121000.

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 7 ways as a sum of consecutive naturals, for example, 609161894 + ... + 609163553.

It is an arithmetic number, because the mean of its divisors is an integer number (115131754836).

Almost surely, 2^{1011210121010} is an apocalyptic number.

1011210121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011210121010 is a deficient number, since it is larger than the sum of its proper divisors (830897956366).

1011210121010 is a wasteful number, since it uses less digits than its factorization.

1011210121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218325537.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011210121010 its reverse (101210121101), we get a palindrome (1112420242111).

Subtracting from 1011210121010 its reverse (101210121101), we obtain a palindrome (909999999909).

The spelling of 1011210121010 in words is "one trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, ten".