101612121042 has 16 divisors (see below), whose sum is σ = 203249211552. Its totient is φ = 33866545440.

The previous prime is 101612121031. The next prime is 101612121053. The reversal of 101612121042 is 240121216101.

It is an interprime number because it is at equal distance from previous prime (101612121031) and next prime (101612121053).

It is a super-3 number, since 3×101612121042³ (a number of 34 digits) contains 333 as substring.

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, 987283 + ... + 1085334.

It is an arithmetic number, because the mean of its divisors is an integer number (12703075722).

Almost surely, 2^101612121042 is an apocalyptic number.

101612121042 is an abundant number, since it is smaller than the sum of its proper divisors (101637090510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101612121042 is a wasteful number, since it uses less digits than its factorization.

101612121042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080793.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 101612121042 its reverse (240121216101), we get a palindrome (341733337143).

The spelling of 101612121042 in words is "one hundred one billion, six hundred twelve million, one hundred twenty-one thousand, forty-two".