101121201211938 has 16 divisors (see below), whose sum is σ = 202246928714880. Its totient is φ = 33706312688816.

The previous prime is 101121201211937. The next prime is 101121201211963. The reversal of 101121201211938 is 839112102121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121201211899 and 101121201211908.

It is not an unprimeable number, because it can be changed into a prime (101121201211937) 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, 188304993 + ... + 188841236.

It is an arithmetic number, because the mean of its divisors is an integer number (12640433044680).

Almost surely, 2^{101121201211938} is an apocalyptic number.

101121201211938 is an abundant number, since it is smaller than the sum of its proper divisors (101125727502942).

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

101121201211938 is a wasteful number, since it uses less digits than its factorization.

101121201211938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377190921.

The product of its (nonzero) digits is 1728, while the sum is 33.

The spelling of 101121201211938 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred one million, two hundred eleven thousand, nine hundred thirty-eight".