121023001010 has 16 divisors (see below), whose sum is σ = 220909591872. Its totient is φ = 47727380400.

The previous prime is 121023001009. The next prime is 121023001049. The reversal of 121023001010 is 10100320121.

It is a super-2 number, since 2×121023001010² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121023000982 and 121023001000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85226756 + ... + 85228175.

It is an arithmetic number, because the mean of its divisors is an integer number (13806849492).

Almost surely, 2^121023001010 is an apocalyptic number.

121023001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023001010 is a deficient number, since it is larger than the sum of its proper divisors (99886590862).

121023001010 is a wasteful number, since it uses less digits than its factorization.

121023001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170455009.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 121023001010 its reverse (10100320121), we get a palindrome (131123321131).

The spelling of 121023001010 in words is "one hundred twenty-one billion, twenty-three million, one thousand, ten".