120202101021 has 32 divisors (see below), whose sum is σ = 166216596480. Its totient is φ = 77204606976.

The previous prime is 120202101013. The next prime is 120202101029. The reversal of 120202101021 is 120101202021.

It is an interprime number because it is at equal distance from previous prime (120202101013) and next prime (120202101029).

It is not a de Polignac number, because 120202101021 - 2³ = 120202101013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202100988 and 120202101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202101029) 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, 37952980 + ... + 37956146.

It is an arithmetic number, because the mean of its divisors is an integer number (5194268640).

Almost surely, 2^120202101021 is an apocalyptic number.

It is an amenable number.

120202101021 is a deficient number, since it is larger than the sum of its proper divisors (46014495459).

120202101021 is a wasteful number, since it uses less digits than its factorization.

120202101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453.

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

Adding to 120202101021 its reverse (120101202021), we get a palindrome (240303303042).

The spelling of 120202101021 in words is "one hundred twenty billion, two hundred two million, one hundred one thousand, twenty-one".