1021212022002 has 16 divisors (see below), whose sum is σ = 2149920046560. Its totient is φ = 322488006912.

The previous prime is 1021212021979. The next prime is 1021212022007. The reversal of 1021212022002 is 2002202121201.

It is not an unprimeable number, because it can be changed into a prime (1021212022007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4478999983 + ... + 4479000210.

It is an arithmetic number, because the mean of its divisors is an integer number (134370002910).

Almost surely, 2^{1021212022002} is an apocalyptic number.

1021212022002 is an abundant number, since it is smaller than the sum of its proper divisors (1128708024558).

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

1021212022002 is a wasteful number, since it uses less digits than its factorization.

1021212022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958000217.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021212022002 its reverse (2002202121201), we get a palindrome (3023414143203).

The spelling of 1021212022002 in words is "one trillion, twenty-one billion, two hundred twelve million, twenty-two thousand, two".