101220120235 has 8 divisors (see below), whose sum is σ = 130807540080. Its totient is φ = 74747165664.

The previous prime is 101220120233. The next prime is 101220120247. The reversal of 101220120235 is 532021022101.

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 101220120235 - 2¹ = 101220120233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778616245 + ... + 778616374.

It is an arithmetic number, because the mean of its divisors is an integer number (16350942510).

Almost surely, 2^101220120235 is an apocalyptic number.

101220120235 is a deficient number, since it is larger than the sum of its proper divisors (29587419845).

101220120235 is a wasteful number, since it uses less digits than its factorization.

101220120235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557232637.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101220120235 its reverse (532021022101), we get a palindrome (633241142336).

The spelling of 101220120235 in words is "one hundred one billion, two hundred twenty million, one hundred twenty thousand, two hundred thirty-five".