1020020211301 has 16 divisors (see below), whose sum is σ = 1321483676800. Its totient is φ = 764572696128.

The previous prime is 1020020211281. The next prime is 1020020211341. The reversal of 1020020211301 is 1031120200201.

It is a cyclic number.

It is not a de Polignac number, because 1020020211301 - 2⁹ = 1020020210789 is a prime.

It is a super-2 number, since 2×1020020211301² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020020211341) 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, 294972306 + ... + 294975763.

It is an arithmetic number, because the mean of its divisors is an integer number (82592729800).

Almost surely, 2^{1020020211301} is an apocalyptic number.

It is an amenable number.

1020020211301 is a deficient number, since it is larger than the sum of its proper divisors (301463465499).

1020020211301 is a wasteful number, since it uses less digits than its factorization.

1020020211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589948108.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1020020211301 its reverse (1031120200201), we get a palindrome (2051140411502).

It can be divided in two parts, 1020020 and 211301, that added together give a palindrome (1231321).

The spelling of 1020020211301 in words is "one trillion, twenty billion, twenty million, two hundred eleven thousand, three hundred one".