123402101102 has 16 divisors (see below), whose sum is σ = 214525988352. Its totient is φ = 52141732440.

The previous prime is 123402101071. The next prime is 123402101111. The reversal of 123402101102 is 201101204321.

It is a super-2 number, since 2×123402101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62072498 + ... + 62074485.

It is an arithmetic number, because the mean of its divisors is an integer number (13407874272).

Almost surely, 2^123402101102 is an apocalyptic number.

123402101102 is a deficient number, since it is larger than the sum of its proper divisors (91123887250).

123402101102 is a wasteful number, since it uses less digits than its factorization.

123402101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124147063.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123402101102 its reverse (201101204321), we get a palindrome (324503305423).

The spelling of 123402101102 in words is "one hundred twenty-three billion, four hundred two million, one hundred one thousand, one hundred two".