1020211000002 has 24 divisors (see below), whose sum is σ = 2264370757740. Its totient is φ = 331775934720.

The previous prime is 1020210999949. The next prime is 1020211000013. The reversal of 1020211000002 is 2000001120201.

It can be written as a sum of positive squares in 2 ways, for example, as 1010706504921 + 9504495081 = 1005339^2 + 97491^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 691199127 + ... + 691200602.

Almost surely, 2^{1020211000002} is an apocalyptic number.

1020211000002 is an abundant number, since it is smaller than the sum of its proper divisors (1244159757738).

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

1020211000002 is a wasteful number, since it uses less digits than its factorization.

1020211000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382399778 (or 1382399775 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1020211000002 its reverse (2000001120201), we get a palindrome (3020212120203).

The spelling of 1020211000002 in words is "one trillion, twenty billion, two hundred eleven million, two", and thus it is an aban number.