120101101101021 has 16 divisors (see below), whose sum is σ = 164469611384000. Its totient is φ = 77900175836928.

The previous prime is 120101101101019. The next prime is 120101101101043.

120101101101021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 120101101101021 - 2¹ = 120101101101019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101101100988 and 120101101101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101101103021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19826131 + ... + 25165008.

It is an arithmetic number, because the mean of its divisors is an integer number (10279350711500).

Almost surely, 2^{120101101101021} is an apocalyptic number.

It is an amenable number.

120101101101021 is a deficient number, since it is larger than the sum of its proper divisors (44368510282979).

120101101101021 is a wasteful number, since it uses less digits than its factorization.

120101101101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45015228.

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 12010110 and 1101021, that added together give a palindrome (13111131).

The spelling of 120101101101021 in words is "one hundred twenty trillion, one hundred one billion, one hundred one million, one hundred one thousand, twenty-one".