1420229912021 has 2 divisors, whose sum is σ = 1420229912022. Its totient is φ = 1420229912020.

The previous prime is 1420229912009. The next prime is 1420229912033. The reversal of 1420229912021 is 1202199220241.

It is a balanced prime because it is at equal distance from previous prime (1420229912009) and next prime (1420229912033).

It can be written as a sum of positive squares in only one way, i.e., 1419076562500 + 1153349521 = 1191250^2 + 33961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420229912021 - 2³⁰ = 1419156170197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420229914021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710114956010 + 710114956011.

It is an arithmetic number, because the mean of its divisors is an integer number (710114956011).

Almost surely, 2^{1420229912021} is an apocalyptic number.

It is an amenable number.

1420229912021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420229912021 is an equidigital number, since it uses as much as digits as its factorization.

1420229912021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 1420229912021 in words is "one trillion, four hundred twenty billion, two hundred twenty-nine million, nine hundred twelve thousand, twenty-one".