121004001010 has 8 divisors (see below), whose sum is σ = 217807201836. Its totient is φ = 48401600400.

The previous prime is 121004000993. The next prime is 121004001017. The reversal of 121004001010 is 10100400121.

It can be written as a sum of positive squares in 2 ways, for example, as 117568751689 + 3435249321 = 342883^2 + 58611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 12100400101 = 121004001010 / (1 + 2 + 1 + 0 + 0 + 4 + 0 + 0 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (121004001017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050200041 + ... + 6050200060.

Almost surely, 2^121004001010 is an apocalyptic number.

121004001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121004001010 is a deficient number, since it is larger than the sum of its proper divisors (96803200826).

121004001010 is a wasteful number, since it uses less digits than its factorization.

121004001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100400108.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121004001010 its reverse (10100400121), we get a palindrome (131104401131).

The spelling of 121004001010 in words is "one hundred twenty-one billion, four million, one thousand, ten".