1101212209938 has 16 divisors (see below), whose sum is σ = 2202462480096. Its totient is φ = 367064393280.

The previous prime is 1101212209907. The next prime is 1101212209939. The reversal of 1101212209938 is 8399022121011.

It is a junction number, because it is equal to n+sod(n) for n = 1101212209896 and 1101212209905.

It is not an unprimeable number, because it can be changed into a prime (1101212209939) 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, 1202583 + ... + 1910138.

It is an arithmetic number, because the mean of its divisors is an integer number (137653905006).

Almost surely, 2^{1101212209938} is an apocalyptic number.

1101212209938 is an abundant number, since it is smaller than the sum of its proper divisors (1101250270158).

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

1101212209938 is a wasteful number, since it uses less digits than its factorization.

1101212209938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171689.

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 1101212209938 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred nine thousand, nine hundred thirty-eight".