1001121122110 has 32 divisors (see below), whose sum is σ = 1806966742464. Its totient is φ = 399349440000.

The previous prime is 1001121122101. The next prime is 1001121122137. The reversal of 1001121122110 is 112211211001.

It is a happy number.

It is a super-2 number, since 2×1001121122110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11707510 + ... + 11792710.

It is an arithmetic number, because the mean of its divisors is an integer number (56467710702).

Almost surely, 2^{1001121122110} is an apocalyptic number.

1001121122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001121122110 is a deficient number, since it is larger than the sum of its proper divisors (805845620354).

1001121122110 is a wasteful number, since it uses less digits than its factorization.

1001121122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88420.

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

Adding to 1001121122110 its reverse (112211211001), we get a palindrome (1113332333111).

The spelling of 1001121122110 in words is "one trillion, one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".