1011231020210 has 64 divisors (see below), whose sum is σ = 1902660046848. Its totient is φ = 386615733504.

The previous prime is 1011231020209. The next prime is 1011231020287. The reversal of 1011231020210 is 120201321101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8670644 + ... + 8786496.

It is an arithmetic number, because the mean of its divisors is an integer number (29729063232).

Almost surely, 2^{1011231020210} is an apocalyptic number.

1011231020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011231020210 is a deficient number, since it is larger than the sum of its proper divisors (891429026638).

1011231020210 is a wasteful number, since it uses less digits than its factorization.

1011231020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116339.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011231020210 its reverse (120201321101), we get a palindrome (1131432341311).

The spelling of 1011231020210 in words is "one trillion, eleven billion, two hundred thirty-one million, twenty thousand, two hundred ten".