120202021101 has 32 divisors (see below), whose sum is σ = 165133140480. Its totient is φ = 77717295936.

The previous prime is 120202021063. The next prime is 120202021103. The reversal of 120202021101 is 101120202021.

It is not a de Polignac number, because 120202021101 - 2¹⁹ = 120201496813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202021103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60493230 + ... + 60495216.

It is an arithmetic number, because the mean of its divisors is an integer number (5160410640).

Almost surely, 2^120202021101 is an apocalyptic number.

It is an amenable number.

120202021101 is a deficient number, since it is larger than the sum of its proper divisors (44931119379).

120202021101 is a wasteful number, since it uses less digits than its factorization.

120202021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120202021101 its reverse (101120202021), we get a palindrome (221322223122).

It can be divided in two parts, 120202021 and 101, that multiplied together give a palindrome (12140404121).

The spelling of 120202021101 in words is "one hundred twenty billion, two hundred two million, twenty-one thousand, one hundred one".