10203211121109 has 16 divisors (see below), whose sum is σ = 14411274041088. Its totient is φ = 6399018957312.

The previous prime is 10203211121099. The next prime is 10203211121183. The reversal of 10203211121109 is 90112111230201.

10203211121109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10203211121109 - 2¹³ = 10203211112917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203211121009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46700317 + ... + 46918290.

It is an arithmetic number, because the mean of its divisors is an integer number (900704627568).

Almost surely, 2^{10203211121109} is an apocalyptic number.

It is an amenable number.

10203211121109 is a deficient number, since it is larger than the sum of its proper divisors (4208062919979).

10203211121109 is a wasteful number, since it uses less digits than its factorization.

10203211121109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93620764.

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 10203211121109 in words is "ten trillion, two hundred three billion, two hundred eleven million, one hundred twenty-one thousand, one hundred nine".