121020201021010 has 32 divisors (see below), whose sum is σ = 221233971434112. Its totient is φ = 47654012398080.

The previous prime is 121020201020987. The next prime is 121020201021029. The reversal of 121020201021010 is 10120102020121.

It is a super-2 number, since 2×121020201021010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58758367 + ... + 60783106.

It is an arithmetic number, because the mean of its divisors is an integer number (6913561607316).

Almost surely, 2^{121020201021010} is an apocalyptic number.

121020201021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020201021010 is a deficient number, since it is larger than the sum of its proper divisors (100213770413102).

121020201021010 is a wasteful number, since it uses less digits than its factorization.

121020201021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119543058.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121020201021010 its reverse (10120102020121), we get a palindrome (131140303041131).

The spelling of 121020201021010 in words is "one hundred twenty-one trillion, twenty billion, two hundred one million, twenty-one thousand, ten".