1021212022007 has 2 divisors, whose sum is σ = 1021212022008. Its totient is φ = 1021212022006.

The previous prime is 1021212021979. The next prime is 1021212022067. The reversal of 1021212022007 is 7002202121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021212022007 - 2¹⁸ = 1021211759863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021212022007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021212022067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510606011003 + 510606011004.

It is an arithmetic number, because the mean of its divisors is an integer number (510606011004).

Almost surely, 2^{1021212022007} is an apocalyptic number.

1021212022007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021212022007 is an equidigital number, since it uses as much as digits as its factorization.

1021212022007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 1021212022007 its reverse (7002202121201), we get a palindrome (8023414143208).

The spelling of 1021212022007 in words is "one trillion, twenty-one billion, two hundred twelve million, twenty-two thousand, seven".