121201021010 has 8 divisors (see below), whose sum is σ = 218161837836. Its totient is φ = 48480408400.

The previous prime is 121201020977. The next prime is 121201021069. The reversal of 121201021010 is 10120102121.

121201021010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 120448561249 + 752459761 = 347057^2 + 27431^2 .

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

It is a super-2 number, since 2×121201021010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121201020982 and 121201021000.

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, 6060051041 + ... + 6060051060.

Almost surely, 2^121201021010 is an apocalyptic number.

121201021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201021010 is a deficient number, since it is larger than the sum of its proper divisors (96960816826).

121201021010 is a wasteful number, since it uses less digits than its factorization.

121201021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120102108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201021010 its reverse (10120102121), we get a palindrome (131321123131).

The spelling of 121201021010 in words is "one hundred twenty-one billion, two hundred one million, twenty-one thousand, ten".