201021121213119 has 20 divisors (see below), whose sum is σ = 300306188150760. Its totient is φ = 134007218145360.

The previous prime is 201021121213117. The next prime is 201021121213141. The reversal of 201021121213119 is 911312121120102.

201021121213119 is a `hidden beast` number, since 2 + 0 + 10 + 211 + 2 + 121 + 311 + 9 = 666.

It is not a de Polignac number, because 201021121213119 - 2¹ = 201021121213117 is a prime.

It is a super-2 number, since 2×201021121213119² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 201021121213092 and 201021121213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021121213117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61951404 + ... + 65115425.

It is an arithmetic number, because the mean of its divisors is an integer number (15015309407538).

Almost surely, 2^{201021121213119} is an apocalyptic number.

201021121213119 is a deficient number, since it is larger than the sum of its proper divisors (99285066937641).

201021121213119 is a wasteful number, since it uses less digits than its factorization.

201021121213119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127086372 (or 127086363 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 201021121213119 in words is "two hundred one trillion, twenty-one billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred nineteen".