101121100012 has 12 divisors (see below), whose sum is σ = 177027027520. Its totient is φ = 50541949296.

The previous prime is 101121099971. The next prime is 101121100019. The reversal of 101121100012 is 210001121101.

It is not an unprimeable number, because it can be changed into a prime (101121100019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637943 + ... + 4659694.

Almost surely, 2^101121100012 is an apocalyptic number.

It is an amenable number.

101121100012 is a deficient number, since it is larger than the sum of its proper divisors (75905927508).

101121100012 is a wasteful number, since it uses less digits than its factorization.

101121100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300360 (or 9300358 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101121100012 its reverse (210001121101), we get a palindrome (311122221113).

The spelling of 101121100012 in words is "one hundred one billion, one hundred twenty-one million, one hundred thousand, twelve".