1021112211010 has 32 divisors (see below), whose sum is σ = 1854574405632. Its totient is φ = 404769415680.

The previous prime is 1021112210983. The next prime is 1021112211029. The reversal of 1021112211010 is 101122111201.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 666130 + ... + 1576690.

It is an arithmetic number, because the mean of its divisors is an integer number (57955450176).

Almost surely, 2^{1021112211010} is an apocalyptic number.

1021112211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021112211010 is a deficient number, since it is larger than the sum of its proper divisors (833462194622).

1021112211010 is a wasteful number, since it uses less digits than its factorization.

1021112211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911578.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1021112211010 its reverse (101122111201), we get a palindrome (1122234322211).

The spelling of 1021112211010 in words is "one trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, ten".