1021211002002 has 16 divisors (see below), whose sum is σ = 2042590070880. Its totient is φ = 340375656192.

The previous prime is 1021211001983. The next prime is 1021211002013. The reversal of 1021211002002 is 2002001121201.

1021211002002 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6923727 + ... + 7069682.

It is an arithmetic number, because the mean of its divisors is an integer number (127661879430).

Almost surely, 2^{1021211002002} is an apocalyptic number.

1021211002002 is an abundant number, since it is smaller than the sum of its proper divisors (1021379068878).

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

1021211002002 is a wasteful number, since it uses less digits than its factorization.

1021211002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005577.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021211002002 its reverse (2002001121201), we get a palindrome (3023212123203).

The spelling of 1021211002002 in words is "one trillion, twenty-one billion, two hundred eleven million, two thousand, two".