1201124211021 has 96 divisors (see below), whose sum is σ = 2087138426880. Its totient is φ = 651243888000.

The previous prime is 1201124211013. The next prime is 1201124211043.

1201124211021 is a `hidden beast` number, since 1 + 201 + 12 + 421 + 10 + 21 = 666.

1201124211021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1201124211021 - 2³ = 1201124211013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201124210985 and 1201124211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201124215021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20287500 + ... + 20346618.

It is an arithmetic number, because the mean of its divisors is an integer number (21741025280).

Almost surely, 2^{1201124211021} is an apocalyptic number.

It is an amenable number.

1201124211021 is a deficient number, since it is larger than the sum of its proper divisors (886014215859).

1201124211021 is a wasteful number, since it uses less digits than its factorization.

1201124211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59367 (or 59364 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 1201124211021 in words is "one trillion, two hundred one billion, one hundred twenty-four million, two hundred eleven thousand, twenty-one".