121001001010 has 8 divisors (see below), whose sum is σ = 217801801836. Its totient is φ = 48400400400.

The previous prime is 121001000993. The next prime is 121001001059. The reversal of 121001001010 is 10100100121.

It can be written as a sum of positive squares in 2 ways, for example, as 120133639609 + 867361401 = 346603^2 + 29451^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121001000984 and 121001001002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050050041 + ... + 6050050060.

Almost surely, 2^121001001010 is an apocalyptic number.

121001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001001010 is a deficient number, since it is larger than the sum of its proper divisors (96800800826).

121001001010 is a wasteful number, since it uses less digits than its factorization.

121001001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100100108.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 121001001010 its reverse (10100100121), we get a palindrome (131101101131).

The spelling of 121001001010 in words is "one hundred twenty-one billion, one million, one thousand, ten".