122002402161 has 8 divisors (see below), whose sum is σ = 162880312320. Its totient is φ = 81229713392.

The previous prime is 122002402133. The next prime is 122002402163. The reversal of 122002402161 is 161204200221.

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 122002402161 - 2⁷ = 122002402033 is a prime.

It is a super-2 number, since 2×122002402161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122002402163) 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, 26302641 + ... + 26307278.

It is an arithmetic number, because the mean of its divisors is an integer number (20360039040).

Almost surely, 2^122002402161 is an apocalyptic number.

It is an amenable number.

122002402161 is a deficient number, since it is larger than the sum of its proper divisors (40877910159).

122002402161 is an equidigital number, since it uses as much as digits as its factorization.

122002402161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52610695.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122002402161 its reverse (161204200221), we get a palindrome (283206602382).

The spelling of 122002402161 in words is "one hundred twenty-two billion, two million, four hundred two thousand, one hundred sixty-one".