120101001101021 has 8 divisors (see below), whose sum is σ = 123297170823288. Its totient is φ = 116917539808000.

The previous prime is 120101001100987. The next prime is 120101001101023. The reversal of 120101001101021 is 120101100101021.

It can be written as a sum of positive squares in 4 ways, for example, as 8840929156900 + 111260071944121 = 2973370^2 + 10547989^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120101001101021 - 2¹⁰ = 120101001099997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101001100993 and 120101001101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101001101023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3177088160 + ... + 3177125961.

It is an arithmetic number, because the mean of its divisors is an integer number (15412146352911).

Almost surely, 2^{120101001101021} is an apocalyptic number.

It is an amenable number.

120101001101021 is a deficient number, since it is larger than the sum of its proper divisors (3196169722267).

120101001101021 is an equidigital number, since it uses as much as digits as its factorization.

120101001101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354214623.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120101001101021 its reverse (120101100101021), we get a palindrome (240202101202042).

The spelling of 120101001101021 in words is "one hundred twenty trillion, one hundred one billion, one million, one hundred one thousand, twenty-one".